| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Safinia | city | Northern Province | Sierra Leone | 8.9 | -11.2833333 | 1046 | 15022 |
| Sahafaria | city | Northern Province | Sierra Leone | 9 | -11.55 | 1459 | 5430 |
| Saiela | city | Northern Province | Sierra Leone | 9.6166667 | -11.1333333 | 1499 | 2380 |
| Sainya | city | Northern Province | Sierra Leone | 9.8333333 | -12.3833333 | 275 | 5145 |
| Saka | city | Northern Province | Sierra Leone | 8.9805556 | -13.2813889 | 88 | 5183 |
| Sakasakala | city | Northern Province | Sierra Leone | 9.05 | -11.65 | 1889 | 5254 |
| Sakosaria | city | Northern Province | Sierra Leone | 9.3333333 | -10.8833333 | 1502 | 2380 |
| Sakuma | city | Northern Province | Sierra Leone | 9.2833333 | -12.2166667 | 518 | 5171 |
| Sakura | city | Northern Province | Sierra Leone | 9.2333333 | -11.2833333 | 1496 | 2380 |
| Sakuta | city | Northern Province | Sierra Leone | 9.65 | -11.6833333 | 2050 | 2380 |
| Sakutan | city | Northern Province | Sierra Leone | 9.2166667 | -11.8 | 1391 | 4364 |
| Salakunda | city | Northern Province | Sierra Leone | 9.5 | -12.4333333 | 209 | 6395 |
| Salifula | city | Northern Province | Sierra Leone | 9.6666667 | -12.0166667 | 331 | 4165 |
| Salifuya | city | Northern Province | Sierra Leone | 9.6833333 | -11.1666667 | 1414 | 2380 |
| Samaia | city | Northern Province | Sierra Leone | 9.2333333 | -12.8166667 | 236 | 8799 |
| Samaia | city | Northern Province | Sierra Leone | 9.5166667 | -12.4 | 180 | 5233 |
| Samaia | city | Northern Province | Sierra Leone | 8.7333333 | -11.35 | 1017 | 17458 |
| Samakun | city | Northern Province | Sierra Leone | 9.7166667 | -12.2333333 | 436 | 5166 |
| Samarank | city | Northern Province | Sierra Leone | 8.5666667 | -12.8666667 | 3 | 9549 |
| Samboraia | city | Northern Province | Sierra Leone | 9.3 | -10.7666667 | 1870 | 2368 |
| Samboria | city | Northern Province | Sierra Leone | 9.3 | -10.7666667 | 1870 | 2368 |
| Samgbamba | city | Northern Province | Sierra Leone | 9.4166667 | -11.4166667 | 1135 | 2380 |
| Samiendu | city | Northern Province | Sierra Leone | 9.25 | -10.6666667 | 2463 | 2000 |
| Samiya | city | Northern Province | Sierra Leone | 9.2166667 | -11.8166667 | 1204 | 4364 |
| Samuya | city | Northern Province | Sierra Leone | 8.6705556 | -13.2108333 | 98 | 6038 |
| Sanama | city | Northern Province | Sierra Leone | 9.2 | -12.6666667 | 101 | 9163 |
| Sanboria | city | Northern Province | Sierra Leone | 9.3 | -10.7666667 | 1870 | 2368 |
| Sanda | city | Northern Province | Sierra Leone | 8.6527778 | -13.2058333 | 108 | 8416 |
| Sanda | city | Northern Province | Sierra Leone | 8.8166667 | -12.9333333 | 26 | 9444 |
| Sanda | city | Northern Province | Sierra Leone | 8.8833333 | -12.6666667 | 167 | 9539 |
| Sandi | city | Northern Province | Sierra Leone | 9.5833333 | -11.5833333 | 1512 | 2380 |
| Sandia | city | Northern Province | Sierra Leone | 9.35 | -11.65 | 1007 | 2380 |
| Sandikoro | city | Northern Province | Sierra Leone | 9.5666667 | -11.8833333 | 1105 | 2455 |
| Sanfaia | city | Northern Province | Sierra Leone | 9.55 | -11.35 | 1387 | 2380 |
| Sangbamba | city | Northern Province | Sierra Leone | 9.5333333 | -11.8166667 | 954 | 2380 |
| Sangbamba | city | Northern Province | Sierra Leone | 9.1 | -11.8 | 669 | 5378 |
| Sangbamba | city | Northern Province | Sierra Leone | 9.75 | -11.7666667 | 1108 | 2380 |
| Sangban | city | Northern Province | Sierra Leone | 9.5833333 | -11.9666667 | 898 | 2533 |
| Sangbania | city | Northern Province | Sierra Leone | 9.2 | -11.0166667 | 2030 | 2380 |
| Sangbaya | city | Northern Province | Sierra Leone | 8.9666667 | -11.6666667 | 1440 | 5451 |
| Sangoya | city | Northern Province | Sierra Leone | 8.7155556 | -13.2352778 | 75 | 6355 |
| Sanguia | city | Northern Province | Sierra Leone | 9.0166667 | -13.1016667 | 114 | 7958 |
| Sania | city | Northern Province | Sierra Leone | 8.7030556 | -13.1863889 | 108 | 9098 |
| Saniria | city | Northern Province | Sierra Leone | 9.8166667 | -11.3 | 1620 | 2380 |
| Sankarama | city | Northern Province | Sierra Leone | 9.1 | -10.7333333 | 2509 | 2075 |
| Sankori | city | Northern Province | Sierra Leone | 9.25 | -11.75 | 1473 | 3407 |
| Sankpamba | city | Northern Province | Sierra Leone | 8.9666667 | -11.85 | 524 | 5390 |
| Sansankama | city | Northern Province | Sierra Leone | 9.8166667 | -11.1 | 1496 | 2187 |
| Santigiyadauda | city | Northern Province | Sierra Leone | 8.6827778 | -13.1811111 | 111 | 9098 |
| Santigiyadodi | city | Northern Province | Sierra Leone | 8.6827778 | -13.1811111 | 111 | 9098 |
| Santigiyanene | city | Northern Province | Sierra Leone | 8.7391667 | -13.1683333 | 108 | 9194 |
| Sar | city | Northern Province | Sierra Leone | 8.55 | -11.5 | 1181 | 6511 |
| Sarako | city | Northern Province | Sierra Leone | 9.5 | -11.7333333 | 1131 | 2380 |
| Sarako | city | Northern Province | Sierra Leone | 9.4666667 | -11.5666667 | 1459 | 2380 |
| Sasa | city | Northern Province | Sierra Leone | 9.4166667 | -12.5333333 | 206 | 8754 |
| Satamodia | city | Northern Province | Sierra Leone | 8.7344444 | -13.2191667 | 104 | 6355 |
| Sauhun | city | Northern Province | Sierra Leone | 9.3666667 | -12.1833333 | 472 | 5171 |
| Saulia | city | Northern Province | Sierra Leone | 8.9333333 | -12 | 288 | 5180 |
| Sauria | city | Northern Province | Sierra Leone | 9.0166667 | -11.85 | 439 | 5324 |
| Sauria | city | Northern Province | Sierra Leone | 9.4833333 | -11.8 | 1299 | 2380 |
| Sawkta | city | Northern Province | Sierra Leone | 8.6319444 | -13.2019444 | 85 | 8416 |
| Sawuria | city | Northern Province | Sierra Leone | 8.7833333 | -11.35 | 1056 | 14106 |
| Se-a-du | city | Northern Province | Sierra Leone | 9.45 | -10.9 | 1545 | 2343 |
| Seberandu | city | Northern Province | Sierra Leone | 9.1333333 | -10.7833333 | 1945 | 2305 |
| Sehun | city | Northern Province | Sierra Leone | 9.0833333 | -12.0833333 | 383 | 5174 |
| Sekodeko | city | Northern Province | Sierra Leone | 9.8166667 | -12.4166667 | 246 | 5016 |
| Sekuya | city | Northern Province | Sierra Leone | 8.6866667 | -13.0375 | 101 | 9548 |
| Sekuya | city | Northern Province | Sierra Leone | 8.6972222 | -13.0266667 | 98 | 9548 |
| Sekuya | city | Northern Province | Sierra Leone | 9.1333333 | -11.5 | 1496 | 3906 |
| Sele | city | Northern Province | Sierra Leone | 9.3 | -12.5333333 | 167 | 7536 |
| Selekoro | city | Northern Province | Sierra Leone | 9.5666667 | -12 | 436 | 2533 |
| Semisedu | city | Northern Province | Sierra Leone | 9.4166667 | -11.0666667 | 1509 | 2380 |
| Sendakha | city | Northern Province | Sierra Leone | 9.5 | -12.5666667 | 249 | 8817 |
| Sendia | city | Northern Province | Sierra Leone | 9.0666667 | -10.7833333 | 2604 | 2341 |
| Sendikoro | city | Northern Province | Sierra Leone | 9.5666667 | -11.8833333 | 1105 | 2455 |
| Sendugu | city | Northern Province | Sierra Leone | 9.0666667 | -12.6333333 | 259 | 9470 |
| Sendugu | city | Northern Province | Sierra Leone | 9.1333333 | -11.9 | 744 | 5202 |
| Sengbe | city | Northern Province | Sierra Leone | 8.6116667 | -13.0491667 | 59 | 6971 |
| Sengbe | city | Northern Province | Sierra Leone | 8.5 | -12.9666667 | 45 | 9543 |
| Sengbe | city | Northern Province | Sierra Leone | 8.9333333 | -12.8833333 | 127 | 8887 |
| Sengbe | city | Northern Province | Sierra Leone | 9.2833333 | -11.9833333 | 305 | 5171 |
| Sengbe | city | Northern Province | Sierra Leone | 8.5833333 | -11.9333333 | 249 | 5460 |
| Sengbe | city | Northern Province | Sierra Leone | 8.95 | -11.8666667 | 413 | 5410 |
| Senguinya | city | Northern Province | Sierra Leone | 9.35 | -11.9333333 | 400 | 5161 |
| Senikedugu | city | Northern Province | Sierra Leone | 9.6166667 | -11.55 | 1502 | 2380 |
| Senita | city | Northern Province | Sierra Leone | 9.2166667 | -12.5833333 | 104 | 9223 |
| Senki | city | Northern Province | Sierra Leone | 9.5333333 | -12.4 | 196 | 5233 |
| Senkuya | city | Northern Province | Sierra Leone | 9.2166667 | -11.9333333 | 288 | 5171 |
| Sentai | city | Northern Province | Sierra Leone | 9.0666667 | -12.8833333 | 111 | 8848 |
| Senyekhuri | city | Northern Province | Sierra Leone | 9.6166667 | -12.3166667 | 242 | 5166 |
| Senyekhuri | city | Northern Province | Sierra Leone | 9.6333333 | -12.2833333 | 328 | 5166 |
| Sepena | city | Northern Province | Sierra Leone | 9.7166667 | -11.7 | 1499 | 2380 |
| Sera | city | Northern Province | Sierra Leone | 8.6833333 | -11.8166667 | 511 | 5460 |
| Sera Bonkuraw | city | Northern Province | Sierra Leone | 8.6833333 | -11.8166667 | 511 | 5460 |
| Seradu | city | Northern Province | Sierra Leone | 9.1666667 | -10.8166667 | 2004 | 2380 |
| Serafaia | city | Northern Province | Sierra Leone | 9.4166667 | -10.9333333 | 1496 | 2380 |
| Serafilaia | city | Northern Province | Sierra Leone | 9.2666667 | -10.9 | 1873 | 2380 |
| Serafula | city | Northern Province | Sierra Leone | 9.0833333 | -12.0333333 | 226 | 5174 |
| Serania | city | Northern Province | Sierra Leone | 9.85 | -11.2 | 1551 | 2310 |
| Sereadu | city | Northern Province | Sierra Leone | 8.9833333 | -11.2333333 | 1328 | 3679 |
| Seredugu | city | Northern Province | Sierra Leone | 9.6166667 | -11.6666667 | 1866 | 2380 |
| Serekolia | city | Northern Province | Sierra Leone | 9.5333333 | -11.0833333 | 1440 | 2380 |
| Seremodu | city | Northern Province | Sierra Leone | 9.2666667 | -10.7166667 | 1994 | 2347 |
| Seria | city | Northern Province | Sierra Leone | 9.4666667 | -10.9166667 | 1519 | 2380 |
| Setnyin | city | Northern Province | Sierra Leone | 8.7333333 | -12.0833333 | 177 | 5281 |
| Sewaia | city | Northern Province | Sierra Leone | 8.9666667 | -11.2333333 | 1335 | 3679 |
| Sheakaia | city | Northern Province | Sierra Leone | 9.0166667 | -13.2166667 | 95 | 8446 |
| Sheakaia | city | Northern Province | Sierra Leone | 8.7833333 | -13.2 | 29 | 9241 |
| Sheakaia | city | Northern Province | Sierra Leone | 9.3166667 | -12.7833333 | 91 | 6920 |
| Sheakaia | city | Northern Province | Sierra Leone | 9.1666667 | -12.7666667 | 232 | 8848 |
| Shimbek | city | Northern Province | Sierra Leone | 8.4166667 | -12.45 | 223 | 5441 |
| Siamamaia | city | Northern Province | Sierra Leone | 9.6333333 | -11.65 | 1889 | 2380 |
| Sihun | city | Northern Province | Sierra Leone | 9.4166667 | -12.0333333 | 498 | 5171 |
| Sikidia | city | Northern Province | Sierra Leone | 9.9333333 | -11.1833333 | 1476 | 2076 |
| Sikindidu | city | Northern Province | Sierra Leone | 9.05 | -10.8833333 | 1496 | 2908 |
| Simbaia | city | Northern Province | Sierra Leone | 8.9833333 | -12.4833333 | 242 | 7250 |
| Simbaria | city | Northern Province | Sierra Leone | 9.6666667 | -12.2 | 396 | 5166 |
| Simbriyan | city | Northern Province | Sierra Leone | 8.9 | -11.9666667 | 442 | 5180 |
| Simi | city | Northern Province | Sierra Leone | 9.5666667 | -12.35 | 223 | 5166 |
| Simria | city | Northern Province | Sierra Leone | 8.85 | -11.85 | 498 | 5436 |
| Sindeya | city | Northern Province | Sierra Leone | 9.8833333 | -12.0666667 | 498 | 3733 |
| Sindugu | city | Northern Province | Sierra Leone | 8.9833333 | -12.4666667 | 206 | 7250 |
| Sindugu | city | Northern Province | Sierra Leone | 9.1833333 | -12.25 | 479 | 5171 |
| Sinegal | city | Northern Province | Sierra Leone | 9.3666667 | -11.9166667 | 442 | 5161 |
| Sinekoro | city | Northern Province | Sierra Leone | 9.4833333 | -11.1166667 | 1496 | 2380 |
| Singbinia | city | Northern Province | Sierra Leone | 9.3333333 | -11.4166667 | 1499 | 2380 |
| Sinkimbadu | city | Northern Province | Sierra Leone | 9.25 | -10.9333333 | 1496 | 2380 |
| Sinkunia | city | Northern Province | Sierra Leone | 9.8666667 | -11.4333333 | 1328 | 2380 |
| Sinkuya | city | Northern Province | Sierra Leone | 9.8166667 | -11.8833333 | 518 | 3476 |
| Sino | city | Northern Province | Sierra Leone | 8.9666667 | -13 | 3 | 8849 |
| Sint | city | Northern Province | Sierra Leone | 8.7666667 | -11.9166667 | 301 | 5356 |
| Siraia | city | Northern Province | Sierra Leone | 9.0666667 | -11.1166667 | 1548 | 10455 |
| Siraninkoro | city | Northern Province | Sierra Leone | 9.4166667 | -10.9833333 | 1463 | 2380 |
| Sirekude | city | Northern Province | Sierra Leone | 9.9166667 | -11.85 | 1013 | 2427 |
| Sitafaia | city | Northern Province | Sierra Leone | 9.4 | -12.6666667 | 150 | 7479 |
| Sobo | city | Northern Province | Sierra Leone | 9.3166667 | -12.6166667 | 249 | 8842 |
| Soia | city | Northern Province | Sierra Leone | 9 | -11.3 | 1364 | 2385 |
| Sokohana | city | Northern Province | Sierra Leone | 8.6416667 | -13.0722222 | 78 | 9139 |
| Sokoria | city | Northern Province | Sierra Leone | 9.7666667 | -11.5166667 | 1128 | 2380 |
| Sokoya | city | Northern Province | Sierra Leone | 8.9333333 | -11.7166667 | 1158 | 5451 |
| Sokurela | city | Northern Province | Sierra Leone | 8.9166667 | -11.5666667 | 1204 | 5427 |
| Sokurela | city | Northern Province | Sierra Leone | 9.3166667 | -11.0833333 | 1532 | 2380 |
| Sokurela | city | Northern Province | Sierra Leone | 9.1 | -10.9666667 | 1446 | 3938 |
| Sokurela | city | Northern Province | Sierra Leone | 9.3166667 | -10.9166667 | 1482 | 2380 |
| Sokurela | city | Northern Province | Sierra Leone | 9.4833333 | -10.8666667 | 1702 | 2030 |
| Sokurela | city | Northern Province | Sierra Leone | 9.3333333 | -10.7666667 | 1998 | 2368 |
| Sokurila | city | Northern Province | Sierra Leone | 8.9333333 | -11.25 | 1099 | 11000 |
| Soli | city | Northern Province | Sierra Leone | 9.45 | -12.6 | 249 | 8820 |
| Sombaria | city | Northern Province | Sierra Leone | 8.8333333 | -11.3333333 | 1053 | 19745 |
| Somiya | city | Northern Province | Sierra Leone | 9.2166667 | -11.8166667 | 1204 | 4364 |
| Sonfondu | city | Northern Province | Sierra Leone | 8.95 | -10.7 | 1919 | 23178 |
| Songo | city | Northern Province | Sierra Leone | 9.9666667 | -11.85 | 1158 | 2471 |
| Sonkonia | city | Northern Province | Sierra Leone | 9.7166667 | -11.3833333 | 1489 | 2380 |
| Sorekoro | city | Northern Province | Sierra Leone | 9.35 | -11.1 | 1446 | 2380 |
| Soron | city | Northern Province | Sierra Leone | 9.9 | -11.5833333 | 1030 | 2380 |
| Soronkura | city | Northern Province | Sierra Leone | 9.8166667 | -11.5666667 | 1502 | 2380 |
| Soronkuro | city | Northern Province | Sierra Leone | 9.8166667 | -11.5666667 | 1502 | 2380 |
| Sos | city | Northern Province | Sierra Leone | 9.1333333 | -12.4333333 | 118 | 5378 |
| Sowlia | city | Northern Province | Sierra Leone | 8.9333333 | -12 | 288 | 5180 |
| Soya | city | Northern Province | Sierra Leone | 9.8166667 | -1.4166667 | 554 | 784 |
| Sugeta | city | Northern Province | Sierra Leone | 9.6333333 | -12.1333333 | 429 | 4812 |
| Suinya | city | Northern Province | Sierra Leone | 9.05 | -12.1166667 | 495 | 5174 |
| Sulimania | city | Northern Province | Sierra Leone | 9.6333333 | -11.5333333 | 1496 | 2380 |
| Sumanferikia | city | Northern Province | Sierra Leone | 9.8833333 | -11.2833333 | 1496 | 2380 |
| Sumata | city | Northern Province | Sierra Leone | 9.6833333 | -12.2666667 | 498 | 5166 |
| Sumaworia | city | Northern Province | Sierra Leone | 9.0833333 | -10.8166667 | 1604 | 2384 |
| Sumbaia | city | Northern Province | Sierra Leone | 8.9833333 | -12.4833333 | 242 | 7250 |
| Sumbaria | city | Northern Province | Sierra Leone | 8.8333333 | -11.3333333 | 1053 | 19745 |
| Sumbuya | city | Northern Province | Sierra Leone | 8.5758333 | -13.1638889 | 95 | 5683 |
| Sumbuya | city | Northern Province | Sierra Leone | 8.4338889 | -13.0566667 | 104 | 8696 |
| Sumbuya | city | Northern Province | Sierra Leone | 9.2333333 | -12.8333333 | 226 | 8799 |
| Sumbuya | city | Northern Province | Sierra Leone | 8.4 | -12.6 | 114 | 5084 |
| Sumbuya | city | Northern Province | Sierra Leone | 9.3166667 | -12.35 | 213 | 5257 |
| Sundodu | city | Northern Province | Sierra Leone | 9.0666667 | -10.8166667 | 2040 | 2384 |
| Sundukuni | city | Northern Province | Sierra Leone | 9.4666667 | -11.6 | 1459 | 2380 |
| Sundulukoro | city | Northern Province | Sierra Leone | 8.9833333 | -11.5166667 | 1499 | 4698 |
| Sunkoni | city | Northern Province | Sierra Leone | 9.0333333 | -11.7 | 1502 | 5451 |
| Suri | city | Northern Province | Sierra Leone | 9.7166667 | -12.25 | 495 | 5166 |
| Suria | city | Northern Province | Sierra Leone | 8.9872222 | -12.9994444 | 29 | 8849 |
| Suria | city | Northern Province | Sierra Leone | 9.3 | -10.85 | 1496 | 2380 |
| Suribulomia | city | Northern Province | Sierra Leone | 9.05 | -13.2166667 | 131 | 6622 |
| Suriburaia | city | Northern Province | Sierra Leone | 9.2 | -12.8833333 | 72 | 8792 |
| Surie | city | Northern Province | Sierra Leone | 8.9872222 | -12.9994444 | 29 | 8849 |
| Susudara | city | Northern Province | Sierra Leone | 9.4666667 | -12.5666667 | 229 | 8817 |
| Susuwalia | city | Northern Province | Sierra Leone | 9.6333333 | -10.95 | 1564 | 1948 |
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