| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ongole | city | Prefecture du Guera | Chad | 11.4333333 | 18.35 | 1902 | 607 |
| Ongolé | city | Prefecture du Guera | Chad | 11.4333333 | 18.35 | 1902 | 607 |
| Ongtanian | city | Prefecture du Moyen-Chari | Chad | 8.3 | 17.7333333 | 1171 | 2329 |
| Onio | city | Prefecture du Moyen-Chari | Chad | 9.6166667 | 19.2 | 1181 | 2324 |
| Onoko | city | Prefecture du Chari-Baguirmi | Chad | 10.9166667 | 15.6333333 | 915 | 2737 |
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