| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ou-ch'i-ying | city | Yunnan Sheng | China | 23.9644444 | 102.7825 | 4445 | 22180 |
| Ou-ch'ih-k'ou | city | Hubei Sheng | China | 29.75 | 112.3166667 | 95 | 58186 |
| Ou-ch'u | city | Zhejiang Sheng | China | 28.2494444 | 120.5041667 | 1889 | 38158 |
| Ou-ch'ΓΌ | city | Zhejiang Sheng | China | 28.2494444 | 120.5041667 | 1889 | 38158 |
| Ou-chia-miao | city | Hubei Sheng | China | 31.8566667 | 112.1594444 | 226 | 44582 |
| Ou-chia-tien | city | Hubei Sheng | China | 31.6733333 | 111.0563889 | 1929 | 12523 |
| Ou-chia-tien | city | Hubei Sheng | China | 31.8566667 | 112.1594444 | 226 | 44582 |
| Ou-chia-ts'un | city | Shanxi Sheng | China | 40.1333333 | 112.5 | 4865 | 5819 |
| Ou-chiang-ch'a | city | Hunan Sheng | China | 28.4741667 | 112.5541667 | 121 | 77641 |
| 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-la | city | Gansu Sheng | China | 34.1 | 101.5833333 | 12165 | 434 |
| Ou-lieh | city | Nei Mongol Zizhiqu | China | 43.5955556 | 123.2238889 | 462 | 4855 |
| Ou-p'u-hsien | city | Heilongjiang Sheng | China | 52.7833333 | 126.0166667 | 715 | 245 |
| Ou-p'u-yang | city | Zhejiang Sheng | China | 28.080556 | 120.6108333 | 344 | 183194 |
| Ou-t'ang-ch'iao | city | Jiangsu Sheng | China | 31.5944444 | 120.1794444 | 45 | 197839 |
| Ou-t'ang-ch'iao-chen | city | Jiangsu Sheng | China | 31.5944444 | 120.1794444 | 45 | 197839 |
| 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 |
| Ou-tien | city | Hubei Sheng | China | 31.6733333 | 111.0563889 | 1929 | 12523 |
| Ou-tung | city | Guangxi Zhuangzu Zizhiqu | China | 24.25 | 108.9 | 2037 | 22507 |
| Oucaiping | city | Hunan Sheng | China | 25.1183333 | 111.8622222 | 1876 | 19269 |
| Ouchikou | city | Hubei Sheng | China | 29.75 | 112.3166667 | 95 | 58186 |
| Oucun | city | Guangdong Sheng | China | 23.3705556 | 111.6591667 | 318 | 20878 |
| Oucun | city | Guangdong Sheng | China | 23.4361111 | 112.6161111 | 111 | 43947 |
| Oucunyan | city | Anhui Sheng | China | 30.95 | 119.15 | 95 | 36994 |
| Oudian | city | Hubei Sheng | China | 31.6733333 | 111.0563889 | 1929 | 12523 |
| Oudong | city | Guangxi Zhuangzu Zizhiqu | China | 24.25 | 108.9 | 2037 | 22507 |
| Ougeng | city | Jiangsu Sheng | China | 33.85 | 120.2 | 3 | 51742 |
| Ougeng | city | Jiangsu Sheng | China | 33.825 | 120.2333333 | 6 | 51318 |
| Ouhe | city | Guizhou Sheng | China | 26.6416667 | 106.1 | 4058 | 39874 |
| Ouhua | city | Henan Sheng | China | 33.1886111 | 113.9963889 | 180 | 63066 |
| Oujia | city | Anhui Sheng | China | 33.7166667 | 117.4583333 | 101 | 59890 |
| Oujiacun | city | Shanxi Sheng | China | 40.1333333 | 112.5 | 4865 | 5819 |
| Oujiadian | city | Hunan Sheng | China | 25.6263889 | 113.7661111 | 2473 | 20634 |
| Oujiadu | city | Jiangsu Sheng | China | 33.5541667 | 118.9333333 | 59 | 110936 |
| Oujialaowu | city | Anhui Sheng | China | 30.1472222 | 116.6916667 | 88 | 61612 |
| Oujialing | city | Hunan Sheng | China | 26.7075 | 110.7805556 | 2273 | 63652 |
| Oujiangcha | city | Hunan Sheng | China | 28.4741667 | 112.5541667 | 121 | 77641 |
| Oujiayuan | city | Hainan Sheng | China | 18.2333333 | 109.5333333 | 0 | 16886 |
| Oujing | city | Anhui Sheng | China | 34.35 | 116.6333333 | 88 | 76839 |
| Oukenhe | city | Nei Mongol Zizhiqu | China | 49.7902778 | 124.8086111 | 1003 | 2424 |
| Oukiamiao | city | Hubei Sheng | China | 31.8566667 | 112.1594444 | 226 | 44582 |
| Ouli | city | Guizhou Sheng | China | 26.5961111 | 109.1419444 | 2047 | 17459 |
| Ouli | city | Nei Mongol Zizhiqu | China | 43.5955556 | 123.2238889 | 462 | 4855 |
| Ouliao | city | Fujian Sheng | China | 24.2833333 | 117.4833333 | 1417 | 47101 |
| Ouling | city | Jiangxi Sheng | China | 26.0169444 | 114.3219444 | 1328 | 23886 |
| Oumiao | city | Hubei Sheng | China | 31.8566667 | 112.1594444 | 226 | 44582 |
| Oumiao | city | Anhui Sheng | China | 32.8833333 | 115.45 | 104 | 110773 |
| Oumiao | city | Anhui Sheng | China | 34.1166667 | 116.55 | 121 | 75210 |
| Oupu | city | Zhejiang Sheng | China | 28.080556 | 120.6108333 | 344 | 183194 |
| Oupu | city | Heilongjiang Sheng | China | 52.3833333 | 125.9166667 | 849 | 299 |
| Oupu | city | Heilongjiang Sheng | China | 52.7833333 | 126.0166667 | 715 | 245 |
| Ouqu | city | Zhejiang Sheng | China | 28.2494444 | 120.5041667 | 1889 | 38158 |
| Ouqu | city | Jiangsu Sheng | China | 31.6183333 | 120.7763889 | 16 | 123606 |
| Ouroumtchi | city | Xinjiang Uygur Zizhiqu | China | 43.8 | 87.5833333 | 2844 | 2218 |
| Outang | city | Guangdong Sheng | China | 22.7108333 | 112.8319444 | 341 | 40884 |
| 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 |
| Outangqiao | city | Jiangsu Sheng | China | 31.5944444 | 120.1794444 | 45 | 197839 |
| Outaokong | city | Guangdong Sheng | China | 22.7166667 | 114.5166667 | 88 | 26626 |
| Outau | city | Guangdong Sheng | China | 22.7166667 | 114.5166667 | 88 | 26626 |
| Outch-tourfan | city | Xinjiang Uygur Zizhiqu | China | 41.1516667 | 79.225 | 5344 | 2343 |
| Outuan | city | Guizhou Sheng | China | 26.5666667 | 109.3166667 | 1295 | 17465 |
| Outuan | city | Hunan Sheng | China | 26.4097222 | 109.4291667 | 1348 | 15011 |
| Ouyang | city | Guizhou Sheng | China | 26.4252778 | 109.2294444 | 1414 | 15847 |
| Ouyangjiadun | city | Hunan Sheng | China | 28.8780556 | 113.0188889 | 85 | 56848 |
| Ouzhuang | city | Jiangsu Sheng | China | 34.5472222 | 116.5194444 | 137 | 86170 |
| Ouzhuang | city | Anhui Sheng | China | 33.4 | 117.65 | 101 | 57418 |
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