| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oma-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.5341667 | 127.2016667 | 26 | 13570 |
| Omae | city | Cholla-namdo | Korea, Republic of (South) | 34.9516667 | 126.3133333 | 0 | 8864 |
| Omae | city | | Korea, Republic of (South) | 35.1833333 | 126.9 | 118 | 726518 |
| Oman-ni | city | | Korea, Republic of (South) | 34.8 | 127.7333333 | 269 | 14703 |
| Omgil-li | city | Cholla-namdo | Korea, Republic of (South) | 34.75 | 126.6 | 13 | 20666 |
| Omgogae | city | Kyongsang-bukto | Korea, Republic of (South) | 36.3166667 | 128.65 | 538 | 17634 |
| Omgung-dong | city | Pusan-gwangyoksi | Korea, Republic of (South) | 35.1302778 | 128.9741667 | 479 | 813489 |
| Omgung-ni | city | Pusan-gwangyoksi | Korea, Republic of (South) | 35.1302778 | 128.9741667 | 479 | 813489 |
| Omhyon | city | Kyongsang-bukto | Korea, Republic of (South) | 36.3166667 | 128.65 | 538 | 17634 |
| Omhyon-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.4166667 | 126.6833333 | 482 | 26796 |
| Omi | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.8086111 | 126.2358333 | 22 | 28206 |
| Omi | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.8077778 | 126.2391667 | 32 | 28206 |
| Omi | city | Kyonggi-do | Korea, Republic of (South) | 37.19 | 127.0969444 | 127 | 90629 |
| Omi-gol | city | Kyongsang-bukto | Korea, Republic of (South) | 36.7263889 | 128.9647222 | 1312 | 17539 |
| Ommok | city | Cholla-namdo | Korea, Republic of (South) | 34.6794444 | 125.9544444 | 52 | 8754 |
| Ommok-tong | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.6333333 | 126.8833333 | 183 | 26726 |
| Omok-kol | city | Kyonggi-do | Korea, Republic of (South) | 37.9147222 | 127.4947222 | 597 | 87973 |
| Omokchom | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8166667 | 128.3166667 | 1758 | 21112 |
| Omokchŏm | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8166667 | 128.3166667 | 1758 | 21112 |
| Omong-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.8072222 | 126.9322222 | 26 | 26304 |
| Omong-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.8833333 | 127.2166667 | 291 | 64813 |
| Omongnae | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8222222 | 128.3175 | 1624 | 21112 |
| Omsa-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.2891667 | 127.2352778 | 423 | 26853 |
| Omsang-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.8305556 | 127.0702778 | 239 | 89874 |
| Omsang-gol | city | Kyonggi-do | Korea, Republic of (South) | 37.8305556 | 127.0702778 | 239 | 89874 |
| Omsang-kol | city | Kyonggi-do | Korea, Republic of (South) | 37.8305556 | 127.0702778 | 239 | 89874 |
| Omsu | city | Cheju-do | Korea, Republic of (South) | 33.3666667 | 126.2 | 65 | 15193 |
| Omsu-dong | city | Kangwon-do | Korea, Republic of (South) | 37.8727778 | 128.2641667 | 1364 | 9300 |
| Omu | city | Kyongsang-namdo | Korea, Republic of (South) | 35.7713889 | 127.8919444 | 898 | 41789 |
| Omugi | city | Kyonggi-do | Korea, Republic of (South) | 37.8441667 | 126.7752778 | 22 | 89822 |