| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Oanagab | city | Wilayat )) (( Bahr al Ghazal | Sudan | 6.8666667 | 29.6666667 | 1318 | 1979 |
| Obai Dego | city | | Sudan | 9.3866667 | 31.5297222 | 921 | 635 |
| Obari | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.9333333 | 32.05 | 2851 | 943 |
| Obio | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.9666667 | 27.0833333 | 1837 | 762 |
| Oboa | city | | Sudan | 9.5580556 | 31.6141667 | 938 | 635 |
| Obodiang | city | | Sudan | 9.6158333 | 31.7105556 | 908 | 635 |
| Obor | city | | Sudan | 7.7 | 33.0666667 | 931 | 1291 |
| Obwi | city | | Sudan | 10.2666667 | 32.2333333 | 1276 | 706 |
| Oda | city | Wilayat )) (( Darfur | Sudan | 12.3833333 | 24.1 | 2992 | 3320 |
| Oddaiya | city | Wilayat )) (( Kurdufan | Sudan | 12.45 | 30.0333333 | 1755 | 1100 |
| Odesan | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.2666667 | 25.9166667 | 2066 | 126 |
| Odulubo | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.8 | 30.6166667 | 3412 | 3145 |
| Odwar | city | | Sudan | 9.3055556 | 31.7580556 | 912 | 2672 |
| Odwoigo | city | | Sudan | 9.3586111 | 31.3525 | 1003 | 635 |
| Odwoigo | city | | Sudan | 9.38 | 31.3827778 | 997 | 635 |
| Offio | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.9666667 | 27.0833333 | 1837 | 762 |
| Ofyo | city | | Sudan | 9.3572222 | 31.5916667 | 908 | 1690 |
| Ofyu | city | | Sudan | 9.3572222 | 31.5916667 | 908 | 1690 |
| Ogali | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.5005556 | 27.8458333 | 1525 | 761 |
| Ogod Butu | city | | Sudan | 9.6402778 | 31.7580556 | 912 | 636 |
| Ogod-Fatad | city | | Sudan | 9.6138889 | 31.6416667 | 921 | 635 |
| Ogon | city | | Sudan | 10.15 | 32.2666667 | 1249 | 882 |
| Ogr | city | Wilayat )) (( Kurdufan | Sudan | 12.0333333 | 27.1 | 1578 | 1183 |
| Ogwum | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.8666667 | 33.4833333 | 4068 | 943 |
| Okaru | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.4913889 | 32.1691667 | 2992 | 871 |
| Okopayi | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.9333333 | 29.5 | 2270 | 322 |
| Okura | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.0986111 | 32.2416667 | 2867 | 943 |
| Olam | city | | Sudan | 9.4425 | 31.6463889 | 912 | 878 |
| Old Dongola | city | | Sudan | 18.2166667 | 30.75 | 902 | 369 |
| Old Roseires | city | Al Wilayah al )) (( Wusta | Sudan | 11.8833333 | 34.3833333 | 1601 | 1764 |
| Olein | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.6738889 | 28.0733333 | 1427 | 761 |
| Olibari | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.2536111 | 31.063889 | 3992 | 3259 |
| Oloko | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.8072222 | 30.6102778 | 3251 | 3145 |
| Olupi | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.6 | 32.1 | 2591 | 1253 |
| Om | city | Wilayat )) (( Darfur | Sudan | 13.5833333 | 24.5333333 | 3454 | 2188 |
| Ombusi | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.8894444 | 30.6105556 | 2814 | 3245 |
| Omdurman | city | Wilayat )) (( Kurdufan | Sudan | 11.7833333 | 30.9166667 | 2358 | 1069 |
| Omdurman | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.8 | 31.8666667 | 2043 | 4765 |
| Omdurman | city | Wilayat al Khartum | Sudan | 15.6361111 | 32.4372222 | 1282 | 60239 |
| Omdurman | city | Al Wilayah al )) (( Wusta | Sudan | 12.4166667 | 34.3166667 | 1496 | 9444 |
| Omeio | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.1311111 | 32.2916667 | 2837 | 943 |
| Omila | city | | Sudan | 7.5666667 | 33.7 | 1056 | 1991 |
| Omini | city | | Sudan | 7.0166667 | 34.2333333 | 1440 | 434 |
| Omm Garun | city | Wilayat )) (( Kurdufan | Sudan | 12.6166667 | 30.15 | 1660 | 2811 |
| Omora | city | Wilayat )) (( Bahr al Ghazal | Sudan | 8.4833333 | 26.5 | 1814 | 775 |
| Omuri | city | Wilayat )) (( Kurdufan | Sudan | 11.0166667 | 30.6333333 | 2513 | 1069 |
| Onabut | city | | Sudan | 11.8833333 | 32.8 | 1197 | 873 |
| Onduraba | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.5905556 | 31.0638889 | 3067 | 788 |
| Onkjer | city | | Sudan | 10.3333333 | 32.35 | 1253 | 726 |
| Onsa | city | Al Wilayah al )) (( Wusta | Sudan | 10.6833333 | 34.3333333 | 2565 | 1974 |
| Opari | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 3.9333333 | 32.05 | 2851 | 943 |
| Opirika | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.2019444 | 33.0458333 | 2263 | 943 |
| Oqr | city | Wilayat )) (( Kurdufan | Sudan | 12.0333333 | 27.1 | 1578 | 1183 |
| Ora | city | Al Wilayah al )) (( Wusta | Sudan | 10.2666667 | 34.2 | 2063 | 1993 |
| Orarak | city | | Sudan | 6.25 | 32.3833333 | 1391 | 701 |
| Oreg | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.1969444 | 33.5463889 | 3881 | 602 |
| Oreil | city | Wilayat )) (( Kurdufan | Sudan | 13.25 | 30.1833333 | 1994 | 5390 |
| Orollo | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 4.0158333 | 32.1080556 | 3372 | 943 |
| Orori | city | Wilayat )) (( Darfur | Sudan | 15.0666667 | 24.2166667 | 3011 | 271 |
| Oshalla | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.6622222 | 28.0980556 | 1433 | 761 |
| Oshang | city | Wilayat )) (( Bahr al Ghazal | Sudan | 7.585 | 28.0894444 | 1430 | 761 |
| Oshima | city | | Sudan | 8.6833333 | 34.1166667 | 1607 | 2757 |
| Oshomatto | city | | Sudan | 20.4833333 | 30.3333333 | 698 | 47 |
| Otchogo | city | | Sudan | 10.0166667 | 32.1666667 | 1253 | 824 |
| Otichogo | city | | Sudan | 10.0166667 | 32.1666667 | 1253 | 824 |
| Otrub | city | Al Wilayah ash )) (( Sharqiyah | Sudan | 13 | 36.0833333 | 2460 | 1475 |
| Ouaranga | city | Wilayat )) (( Darfur | Sudan | 12.0666667 | 22.6 | 1781 | 1568 |
| Oubbe | city | Wilayat )) (( Darfur | Sudan | 12.85 | 23.6666667 | 3205 | 3127 |
| Oum Jakhakhin | city | Wilayat )) (( Darfur | Sudan | 13.5333333 | 22.7166667 | 2644 | 4914 |
| Owachi | city | | Sudan | 9.4216667 | 31.5447222 | 925 | 636 |
| Owachi | city | | Sudan | 9.3952778 | 31.6044444 | 908 | 1096 |
| Owan | city | Wilayat )) (( Bahr al Ghazal | Sudan | 6.5333333 | 29.9666667 | 1332 | 2060 |
| Oweit | city | Wilayat )) (( Bahr al Ghazal | Sudan | 8.05 | 28.1 | 1430 | 2339 |
| Owetiani | city | Al Wilayah al )) (( Istiwa'iyah | Sudan | 5.1833333 | 33.6666667 | 1965 | 602 |
| Oyo | city | Al Wilayah ash )) (( Sharqiyah | Sudan | 21.9166667 | 36.2 | 1610 | 112 |