| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ogdi | city | Prefecture du Mayo-Kebbi | Chad | 10.2833333 | 15.4666667 | 1036 | 6479 |
| Oget | city | Prefecture du Guera | Chad | 12 | 18.95 | 1830 | 607 |
| Ogol | city | Prefecture du Mayo-Kebbi | Chad | 10.3666667 | 15.3 | 1020 | 7970 |
| Ogola | city | Prefecture du Biltine | Chad | 14.7833333 | 22.4166667 | 3061 | 551 |
| Ogoro | city | Prefecture du Batha | Chad | 13.9166667 | 19.7166667 | 1190 | 691 |
| Ogouba | city | Prefecture du Biltine | Chad | 15.45 | 21.6333333 | 2060 | 546 |
| Ogoum | city | Prefecture du Salamat | Chad | 11.2333333 | 19.2333333 | 1758 | 376 |
| Ogourbo | city | Prefecture du Ouaddai | Chad | 13.8833333 | 21.0333333 | 2158 | 803 |
| Oguet | city | Prefecture du Guera | Chad | 12 | 18.95 | 1830 | 607 |
| Ogul | city | Prefecture du Mayo-Kebbi | Chad | 10.3666667 | 15.3 | 1020 | 7970 |
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