O (Bayannur Shi) Oljit (Tongliao Shi) Ondor Had (Alxa Meng) Ondor Mod (Xilin Gol Meng) Ondor Sum (Bayannur Shi) Onggon (Bayannur Shi) Onggon Tegin Sum (Xilin Gol Meng) Onggon Ul Sum (Alxa Meng) Ongt Gol (Hulunbuir Region) Onor (Tongliao Shi) Orbog (Xilin Gol Meng) Orgon Tal Sum (Hulunbuir Region) Orqohan (Shuozhou Shi) Oujiacun (Tongliao Shi) Ouli (Shantou Shi) Oukeng (Hengyang Shi) Oucaicun (Hengyang Shi) Outangchong (Hengyang Shi) Oujiachong (Hengyang Shi) Oujiazao (Shaoyang County) Oujiachong (Hengyang Shi) Oujiachong (Yongzhou) Oujiapu (Yongzhou) Oujia (Yongzhou) Oushanlaowu (Guilin Shi) Oujia (Xiangtan Shi) Outouchong (Quanzhou Shi) Ouqian (Prefecture of Chenzhou) Oujiadian (Yongzhou) Oucaiping (Huaihua Prefecture) Outuan 13 14 15 16 17