| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ouadiounga | city | Barh el Gazel | Chad | 13.43 | 16.28 | 997 | 0 |
| Oualchagra | city | Barh el Gazel | Chad | 13.26 | 16.48 | 987 | 0 |
| Ouenesimanga | city | Barh el Gazel | Chad | 13.39 | 16.43 | 990 | 0 |
| Ouloumanga Idjélidj | city | Barh el Gazel | Chad | 13.50 | 16.34 | 941 | 0 |