| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Oualam | city | Departement de Tillaberi | Niger | 14.3166667 | 2.0833333 | 757 | 1559 |
| Oualia | city | Departement de Tillaberi | Niger | 14.5408333 | 1.2533333 | 905 | 3015 |
| Ouallam | city | Departement de Tillaberi | Niger | 14.3166667 | 2.0833333 | 757 | 1559 |
| Ouama | city | Departement de Tillaberi | Niger | 14 | 1.1833333 | 767 | 3416 |
| Ouanzerbe | city | Departement de Tillaberi | Niger | 14.7427778 | 0.3627778 | 787 | 3406 |
| Ouanzerbé | city | Departement de Tillaberi | Niger | 14.7427778 | 0.3627778 | 787 | 3406 |
| Ouela | city | Departement de Tillaberi | Niger | 14.8061111 | 3.6372222 | 731 | 2465 |
| Ouella | city | Departement de Tillaberi | Niger | 14.8061111 | 3.6372222 | 731 | 2465 |
| Ouella Sofon Gari | city | Departement de Tillaberi | Niger | 14.8061111 | 3.6372222 | 731 | 2465 |
| Oura Tondi | city | Departement de Tillaberi | Niger | 13.8 | 2.45 | 839 | 13795 |
| Ouratondi | city | Departement de Tillaberi | Niger | 13.8 | 2.45 | 839 | 13795 |
| Ouro Gueladio | city | Departement de Tillaberi | Niger | 13.1 | 2.0166667 | 738 | 2677 |
| Ouro Gueladio Koanari | city | Departement de Tillaberi | Niger | 13.1 | 2.0166667 | 738 | 2677 |
| Ouro Gueladio Kounari | city | Departement de Tillaberi | Niger | 13.1 | 2.0166667 | 738 | 2677 |
| Ouro Guéladio | city | Departement de Tillaberi | Niger | 13.1 | 2.0166667 | 738 | 2677 |
| Ouro Guéladio Koanari | city | Departement de Tillaberi | Niger | 13.1 | 2.0166667 | 738 | 2677 |
| Ouro Guéladio Kounari | city | Departement de Tillaberi | Niger | 13.1 | 2.0166667 | 738 | 2677 |
| Ouro Sawabe | city | Departement de Tillaberi | Niger | 13.0511111 | 1.0288889 | 948 | 1871 |
| Ouro Sawabé | city | Departement de Tillaberi | Niger | 13.0511111 | 1.0288889 | 948 | 1871 |
| Ouèlla Sofon Gari | city | Departement de Tillaberi | Niger | 14.8061111 | 3.6372222 | 731 | 2465 |
| Ouéla | city | Departement de Tillaberi | Niger | 14.8061111 | 3.6372222 | 731 | 2465 |
|
|