| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Онь | city | Limousin | France | 45.78 | 1.71 | 1781 | 1399 |
| Онь-Мес-Усти | city | Komi | Russia | 59.93 | 48.85 | 830 | 149 |
| Оньи | city | Lorraine | France | 49.06 | 6.12 | 830 | 52329 |
| Оньмесь | city | Komi | Russia | 59.93 | 48.85 | 830 | 149 |
| Оньшино | city | Nizhegorodskaya Oblast' | Russia | 57.01 | 45.09 | 830 | 1043 |
| Онья | city | Castilla y Leon | Spain | 42.73 | -3.41 | 2578 | 877 |
| Оньї | city | Lorraine | France | 49.06 | 6.12 | 830 | 52329 |