| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ondiris | city | Kazakhstan | 54.10 | 67.94 | 830 | 738 | |
| Onege | city | Kazakhstan | 49.25 | 47.42 | 144 | 149 | |
| Onegovskiy | city | Kazakhstan | 48.71 | 82.70 | 1669 | 298 | |
| Onuy | city | Kazakhstan | 43.53 | 78.30 | 2509 | 1341 | |
| Onym | city | Kazakhstan | 45.58 | 79.42 | 1669 | 745 |