| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onogar | city | Dobrich | Bulgaria | 43.82 | 27.58 | 830 | 3573 |
| Onogawa | city | Fukushima | Japan | 37.68 | 140.11 | 3349 | 3020 |
| Onogawa | city | Miyagi | Japan | 38.44 | 141.43 | 164 | 33451 |
| Onogawa | city | Fukushima | Japan | 37.33 | 139.68 | 2539 | 978 |
| Onogboko | city | Delta | Nigeria | 5.46 | 6.44 | 354 | 14433 |
| Onogboko | city | Delta | Nigeria | 5.45 | 6.48 | 200 | 13972 |
| Onoghia | city | Samegrelo-Zemo Svaneti | Georgia | 42.32 | 42.32 | 321 | 5783 |
| Onogholo | city | Edo | Nigeria | 6.67 | 6.50 | 830 | 9536 |
| Onogia | city | Samegrelo-Zemo Svaneti | Georgia | 42.32 | 42.32 | 321 | 5783 |
| Onogol-Byt | city | Sakha (Yakutiya) | Russia | 62.70 | 125.03 | 830 | 0 |
| Onoguch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.43 | 846 | 3286 |
| Onogur | city | Dobrich | Bulgaria | 43.82 | 27.58 | 830 | 3573 |