| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| O-ch'iao | city | Anhui Sheng | China | 31.1833333 | 118.2833333 | 19 | 71011 |
| O-ch'iao-chen | city | Anhui Sheng | China | 31.1833333 | 118.2833333 | 19 | 71011 |
| O-ling | city | Anhui Sheng | China | 30.85 | 118.2833333 | 72 | 54351 |
| O-ling-chen | city | Anhui Sheng | China | 30.85 | 118.2833333 | 72 | 54351 |
| Ou-chuang | city | Anhui Sheng | China | 33.4 | 117.65 | 101 | 57418 |
| Ou-chuang-chi | city | Anhui Sheng | China | 33.4 | 117.65 | 101 | 57418 |
| Ou-t'ang-chen | city | Anhui Sheng | China | 32.38 | 117.9241667 | 131 | 36612 |
| Ou-t'ang-chi | city | Anhui Sheng | China | 32.38 | 117.9241667 | 131 | 36612 |
| Oucunyan | city | Anhui Sheng | China | 30.95 | 119.15 | 95 | 36994 |
| Oujia | city | Anhui Sheng | China | 33.7166667 | 117.4583333 | 101 | 59890 |
| Oujialaowu | city | Anhui Sheng | China | 30.1472222 | 116.6916667 | 88 | 61612 |
| Oujing | city | Anhui Sheng | China | 34.35 | 116.6333333 | 88 | 76839 |
| Oumiao | city | Anhui Sheng | China | 32.8833333 | 115.45 | 104 | 110773 |
| Oumiao | city | Anhui Sheng | China | 34.1166667 | 116.55 | 121 | 75210 |
| Outang | city | Anhui Sheng | China | 32.95 | 116.95 | 98 | 61685 |
| Outang | city | Anhui Sheng | China | 32.9583333 | 116.9833333 | 137 | 61685 |
| Outang | city | Anhui Sheng | China | 32.38 | 117.9241667 | 131 | 36612 |
| Ouzhuang | city | Anhui Sheng | China | 33.4 | 117.65 | 101 | 57418 |
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