| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ondor Had | city | Nei Mongol Zizhiqu | China | 44.9666667 | 120.45 | 2165 | 1754 |
| Ondor Mod | city | Nei Mongol Zizhiqu | China | 40.9833333 | 104.4166667 | 4288 | 33 |
| Ondor Sum | city | Nei Mongol Zizhiqu | China | 42.4430556 | 112.9194444 | 3733 | 327 |
| Ondorkara | city | Xinjiang Uygur Zizhiqu | China | 46.5 | 89.3 | 2582 | 294 |
| Onggon | city | Nei Mongol Zizhiqu | China | 41.5 | 108.15 | 4685 | 672 |
| Onggon Tegin Sum | city | Nei Mongol Zizhiqu | China | 42.2333333 | 109.3833333 | 3920 | 663 |
| Onggon Ul | city | Nei Mongol Zizhiqu | China | 42.5383333 | 114.0636111 | 3782 | 686 |
| Onggon Ul Sum | city | Nei Mongol Zizhiqu | China | 42.5383333 | 114.0636111 | 3782 | 686 |
| Ongniud Qi | city | Nei Mongol Zizhiqu | China | 42.9344444 | 119.0238889 | 2093 | 4345 |
| Ongt Gol | city | Nei Mongol Zizhiqu | China | 41.4166667 | 102.0666667 | 3080 | 19 |
| Onor | city | Nei Mongol Zizhiqu | China | 48.8666667 | 121.2166667 | 2559 | 1582 |
| Onotin Sair | city | Nei Mongol Zizhiqu | China | 41.9536111 | 101.0716667 | 3074 | 19 |
| Onpo | city | Guangdong Sheng | China | 21.45 | 110.0166667 | 82 | 61042 |
|
|