| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Om-gol | city | Chungnam | Korea, Republic of (South) | 36.64 | 126.54 | 193 | 11627 |
| Omang-dong | city | Chungnam | Korea, Republic of (South) | 36.51 | 126.48 | 0 | 8121 |
| Omani | city | Chungnam | Korea, Republic of (South) | 36.52 | 126.52 | 0 | 13008 |
| Omi | city | Chungnam | Korea, Republic of (South) | 36.37 | 127.16 | 262 | 7301 |
| Omi | city | Chungnam | Korea, Republic of (South) | 36.75 | 126.47 | 45 | 42261 |
| Omi | city | Chungnam | Korea, Republic of (South) | 36.50 | 126.71 | 301 | 16266 |
| Omi | city | Chungnam | Korea, Republic of (South) | 36.13 | 127.27 | 830 | 8497 |
| Omiri | city | Chungnam | Korea, Republic of (South) | 36.72 | 127.00 | 830 | 27144 |
| Omjong-ni | city | Chungnam | Korea, Republic of (South) | 36.09 | 127.50 | 830 | 15680 |
| Ommok-tong | city | Chungnam | Korea, Republic of (South) | 36.63 | 126.88 | 183 | 13872 |
| Omok | city | Chungnam | Korea, Republic of (South) | 36.81 | 126.93 | 26 | 45552 |
| Omokchŏl | city | Chungnam | Korea, Republic of (South) | 36.77 | 126.74 | 49 | 13973 |
| Omoksan | city | Chungnam | Korea, Republic of (South) | 36.26 | 126.86 | 3 | 20708 |
| Omong-ni | city | Chungnam | Korea, Republic of (South) | 36.88 | 127.22 | 291 | 71253 |
| Omong-ni | city | Chungnam | Korea, Republic of (South) | 36.80 | 126.92 | 32 | 45533 |