| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Obolo | city | Prefecture du Tandjile | Chad | 9.1 | 15.75 | 1407 | 4008 |
| Obou | city | Prefecture du Tandjile | Chad | 9.3166667 | 15.8833333 | 1305 | 3855 |
| Oroungou | city | Prefecture du Tandjile | Chad | 9.6 | 16.6666667 | 1158 | 3855 |
| Ouroulou | city | Prefecture du Tandjile | Chad | 9.75 | 16.6666667 | 1112 | 3851 |
| Ouroungou | city | Prefecture du Tandjile | Chad | 9.6 | 16.6666667 | 1158 | 3855 |
| Ourouni | city | Prefecture du Tandjile | Chad | 9.25 | 16.5 | 1269 | 3855 |
| Ouseng Teina | city | Prefecture du Tandjile | Chad | 9.1 | 15.8333333 | 1417 | 3963 |
| Ouseng Teïna | city | Prefecture du Tandjile | Chad | 9.1 | 15.8333333 | 1417 | 3963 |
| Oussen Teina | city | Prefecture du Tandjile | Chad | 9.1 | 15.8333333 | 1417 | 3963 |
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