| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oygo | city | Prefecture du Biltine | Chad | 15.9 | 22.2666667 | 2335 | 360 |
| Oyimbou | city | Prefecture du Lac | Chad | 13.7 | 15 | 987 | 1148 |
| Oyo | city | Prefecture du Guera | Chad | 12.2 | 18.7333333 | 1309 | 607 |
| Oyoumbou | city | Prefecture du Kanem | Chad | 14.1333333 | 15.3833333 | 1026 | 355 |
|
|