| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| O-min | city | Xinjiang Uygur Zizhiqu | China | 46.5666667 | 83.6 | 1669 | 2108 |
| O-min-ho-shih | city | Xinjiang Uygur Zizhiqu | China | 46.5666667 | 83.6 | 1669 | 2108 |
| O-min-hsien | city | Xinjiang Uygur Zizhiqu | China | 46.5666667 | 83.6 | 1669 | 2108 |
| Ohsalur | city | Xinjiang Uygur Zizhiqu | China | 39.6833333 | 74.8333333 | 8228 | 266 |
| Oku | city | Xinjiang Uygur Zizhiqu | China | 36.3333333 | 80.3666667 | 9370 | 1808 |
| Olatay | city | Xinjiang Uygur Zizhiqu | China | 42.8913889 | 94.4358333 | 7116 | 439 |
| Olatay Kazakzu Xiang | city | Xinjiang Uygur Zizhiqu | China | 42.8913889 | 94.4358333 | 7116 | 439 |
| Old Aksu | city | Xinjiang Uygur Zizhiqu | China | 41.2211111 | 80.2469444 | 3654 | 1827 |
| Old Tikenlik | city | Xinjiang Uygur Zizhiqu | China | 40.6369444 | 87.6894444 | 2746 | 159 |
| Omxa | city | Xinjiang Uygur Zizhiqu | China | 36.2 | 79.8666667 | 10337 | 2030 |
| Ondorkara | city | Xinjiang Uygur Zizhiqu | China | 46.5 | 89.3 | 2582 | 294 |
| Opal | city | Xinjiang Uygur Zizhiqu | China | 39.2869444 | 75.5397222 | 4639 | 11680 |
| Otu | city | Xinjiang Uygur Zizhiqu | China | 45.5166667 | 83.75 | 5738 | 410 |
| Otu Karaul | city | Xinjiang Uygur Zizhiqu | China | 45.5166667 | 83.75 | 5738 | 410 |
| Otu Post | city | Xinjiang Uygur Zizhiqu | China | 45.5166667 | 83.75 | 5738 | 410 |
| Ouroumtchi | city | Xinjiang Uygur Zizhiqu | China | 43.8 | 87.5833333 | 2844 | 2218 |
| Outch-tourfan | city | Xinjiang Uygur Zizhiqu | China | 41.1516667 | 79.225 | 5344 | 2343 |
| Oymak | city | Xinjiang Uygur Zizhiqu | China | 47.8744444 | 86.9794444 | 1742 | 588 |
| Oymak Xiang | city | Xinjiang Uygur Zizhiqu | China | 47.8744444 | 86.9794444 | 1742 | 588 |
| Oytar | city | Xinjiang Uygur Zizhiqu | China | 38.95 | 75.45 | 7454 | 798 |
| Oytograk | city | Xinjiang Uygur Zizhiqu | China | 36.8333333 | 81.9333333 | 4734 | 630 |
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