| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Олатай | city | Xinjiang | China | 42.89 | 94.44 | 7116 | 447 |
| Омша | city | Xinjiang | China | 36.20 | 79.87 | 10337 | 1788 |
| Онсу | city | Xinjiang | China | 41.27 | 80.24 | 3631 | 3144 |
| Опал | city | Xinjiang | China | 39.29 | 75.54 | 5029 | 12680 |
| Оухай | city | Zhejiang | China | 28.01 | 120.63 | 55 | 314548 |
| Оқу | city | Xinjiang | China | 36.29 | 80.42 | 9228 | 447 |