| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| O-shan | city | Yunnan | China | 24.17 | 102.40 | 5055 | 91468 |
| O-shan-hsien | city | Yunnan | China | 24.17 | 102.40 | 5055 | 91468 |
| O-shan-hsien-i-tsu-tzu-chih-ch'u | city | Yunnan | China | 24.17 | 102.40 | 5055 | 91468 |
| O-shan-hsien-i-tsu-tzu-chih-ch’ü | city | Yunnan | China | 24.17 | 102.40 | 5055 | 91468 |
| O-shan-i-tsu-tzu-chih-hsien | city | Yunnan | China | 24.17 | 102.40 | 5055 | 91468 |
| Oubi | city | Yunnan | China | 22.73 | 102.08 | 3349 | 3172 |
| Oubi | city | Yunnan | China | 22.91 | 102.02 | 5095 | 3699 |
| Oude | city | Yunnan | China | 22.82 | 102.34 | 3349 | 3725 |
| Ouhei | city | Yunnan | China | 22.97 | 102.01 | 4458 | 3725 |
| Oujiashan | city | Yunnan | China | 24.30 | 100.17 | 6151 | 11032 |
| Oujiawan | city | Yunnan | China | 27.42 | 104.64 | 5104 | 28894 |
| Oujiazhai | city | Yunnan | China | 25.29 | 104.38 | 5029 | 19321 |
| Oujiazhuang | city | Yunnan | China | 24.06 | 103.11 | 5101 | 11902 |
| Oule | city | Yunnan | China | 23.10 | 102.63 | 5029 | 42668 |
| Oumuding | city | Yunnan | China | 27.57 | 99.51 | 9228 | 3900 |
| Oumula | city | Yunnan | China | 25.98 | 98.86 | 6240 | 6258 |
| Oupu | city | Yunnan | China | 22.88 | 102.44 | 5029 | 26378 |
| Outang | city | Yunnan | China | 24.19 | 103.35 | 5029 | 8643 |
| Ouying | city | Yunnan | China | 23.97 | 102.78 | 4445 | 27594 |
| Ouzhu | city | Yunnan | China | 22.60 | 102.31 | 4189 | 2921 |