| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onma | city | Saitama | Japan | 35.92 | 139.77 | 22 | 457624 |
| Onma-shinden | city | Saitama | Japan | 35.94 | 139.76 | 22 | 436419 |
| Onmadwin | city | Sagaing | Burma | 23.77 | 95.44 | 892 | 6960 |
| Onmaehama | city | Miyagi | Japan | 38.46 | 141.47 | 3 | 11250 |
| Onmago | city | Nagano | Japan | 36.11 | 137.83 | 4189 | 11795 |
| Onmak | city | Gyeongbuk | Korea, Republic of (South) | 35.64 | 128.84 | 246 | 7748 |
| Onmakwe | city | Shan State | Burma | 22.97 | 96.90 | 4189 | 3605 |
| Onmang-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.64 | 128.84 | 246 | 7748 |
| Onmbaauka | city | Benue | Nigeria | 7.10 | 8.62 | 830 | 11622 |
| Onme | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 126.06 | 29 | 33573 |
| Onmes | city | Komi | Russia | 59.93 | 48.85 | 830 | 149 |
| Onmoe | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 126.06 | 29 | 33573 |
| Onmoi | city | Khabarovskiy Kray | Russia | 50.09 | 136.79 | 127 | 0 |
| Onmol | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.29 | 126.29 | 282 | 21978 |
| Onmugi | city | Chungnam | Korea, Republic of (South) | 36.50 | 126.82 | 830 | 8356 |