| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Safou | city | Region du Kouilou | Congo | -4.1116667 | 12.0744444 | 183 | 462 |
| Saint-Paul | city | Region du Kouilou | Congo | -4.6125 | 12.0369444 | 127 | 29302 |
| Sainte-Marie | city | Region du Kouilou | Congo | -4.4363889 | 11.705 | 3 | 17588 |
| Sango Bayoua | city | Region du Kouilou | Congo | -4.5255556 | 12.1591667 | 498 | 18815 |
| Sansa | city | Region du Kouilou | Congo | -4.7605556 | 12.2197222 | 255 | 9156 |
| Sanza | city | Region du Kouilou | Congo | -4.9519444 | 12.011111 | 3 | 28022 |
| Sexcello | city | Region du Kouilou | Congo | -3.9525 | 11.6438889 | 396 | 465 |
| Sexo | city | Region du Kouilou | Congo | -4.3833333 | 11.6666667 | 3 | 15885 |
| Sexo | city | Region du Kouilou | Congo | -4.1347222 | 11.9275 | 469 | 463 |
| Sexse | city | Region du Kouilou | Congo | -4.1152778 | 11.9008333 | 449 | 465 |
| Sexse | city | Region du Kouilou | Congo | -4.1347222 | 11.9275 | 469 | 463 |
| Sexso | city | Region du Kouilou | Congo | -4.1347222 | 11.9275 | 469 | 463 |
| Siafoumou | city | Region du Kouilou | Congo | -4.7291667 | 11.8636111 | 19 | 22328 |
| Siafounou | city | Region du Kouilou | Congo | -4.7291667 | 11.8636111 | 19 | 22328 |
| Siala | city | Region du Kouilou | Congo | -4.6413889 | 12.13 | 124 | 29302 |
| Sialivako | city | Region du Kouilou | Congo | -4.0355556 | 11.3880556 | 242 | 467 |
| Sialivakou | city | Region du Kouilou | Congo | -4.0355556 | 11.3880556 | 242 | 467 |
| Sibibamba | city | Region du Kouilou | Congo | -4.2852778 | 12.061111 | 551 | 462 |
| Sibititi | city | Region du Kouilou | Congo | -4.1833333 | 12.4166667 | 744 | 854 |
| Sibitou-Kouenda | city | Region du Kouilou | Congo | -4.1152778 | 11.9008333 | 449 | 465 |
| Sikama-Kamba | city | Region du Kouilou | Congo | -4.2333333 | 12.0666667 | 557 | 462 |
| Sinansinga | city | Region du Kouilou | Congo | -4.35 | 12.35 | 593 | 854 |
| Sinda | city | Region du Kouilou | Congo | -4.9111111 | 12.0744444 | 98 | 28988 |
| Sine Bamba | city | Region du Kouilou | Congo | -3.9227778 | 11.2413889 | 183 | 365 |
| Sine Bamba | city | Region du Kouilou | Congo | -4.0752778 | 11.7066667 | 344 | 467 |
| Sinkaba | city | Region du Kouilou | Congo | -4.2833333 | 12.45 | 967 | 854 |
| Sintou | city | Region du Kouilou | Congo | -4.095 | 11.7008333 | 291 | 467 |
| Soasangou | city | Region du Kouilou | Congo | -4.6247222 | 12.2258333 | 255 | 12895 |
| Songo | city | Region du Kouilou | Congo | -4.5925 | 12.2533333 | 298 | 3916 |
| Songo-Bayouha | city | Region du Kouilou | Congo | -4.5255556 | 12.1591667 | 498 | 18815 |
| Souangui | city | Region du Kouilou | Congo | -3.9619444 | 11.6588889 | 406 | 467 |
| Sougoumano | city | Region du Kouilou | Congo | -4.5627778 | 12.4391667 | 711 | 1060 |
| Soukomoyo | city | Region du Kouilou | Congo | -4.5627778 | 12.4391667 | 711 | 1060 |
| Soukoumane | city | Region du Kouilou | Congo | -4.5647222 | 12.4308333 | 666 | 1060 |
| Soukoumané | city | Region du Kouilou | Congo | -4.5647222 | 12.4308333 | 666 | 1060 |
| Soukoumonie | city | Region du Kouilou | Congo | -4.5647222 | 12.4308333 | 666 | 1060 |
| Soukoumonié | city | Region du Kouilou | Congo | -4.5647222 | 12.4308333 | 666 | 1060 |
| Soulou | city | Region du Kouilou | Congo | -4.6725 | 11.8330556 | 6 | 17097 |
| Soumale Koyo | city | Region du Kouilou | Congo | -4.5291667 | 12.2361111 | 301 | 4483 |
| Soumalé Koyo | city | Region du Kouilou | Congo | -4.5291667 | 12.2361111 | 301 | 4483 |
| Soumba | city | Region du Kouilou | Congo | -4.1302778 | 12.0375 | 485 | 462 |
| Soumba-Likoyo | city | Region du Kouilou | Congo | -4.5716667 | 12.235 | 278 | 10315 |
| Soumbá-Likoyo | city | Region du Kouilou | Congo | -4.5716667 | 12.235 | 278 | 10315 |
| Sounda | city | Region du Kouilou | Congo | -4.0833333 | 12.1333333 | 121 | 517 |
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