| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Och'on | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1236111 | 127.8852778 | 1033 | 22235 |
| Odae-ri | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3316667 | 127.6138889 | 236 | 22279 |
| Odae-ri | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.5841667 | 127.7305556 | 885 | 22169 |
| Odong-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3058333 | 127.5216667 | 390 | 35055 |
| Odong-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.5186111 | 127.5913889 | 561 | 22219 |
| Odong-ri | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3058333 | 127.5216667 | 390 | 35055 |
| Odong-ri | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.5186111 | 127.5913889 | 561 | 22219 |
| Oe-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8 | 127.75 | 442 | 22135 |
| Oe-kongsu-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1166667 | 127.75 | 777 | 22338 |
| Oech'ol-li | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.5430556 | 127.4208333 | 429 | 22208 |
| Oech'onma-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.0958333 | 127.7933333 | 1197 | 22338 |
| Oech'ŏl-li | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.5430556 | 127.4208333 | 429 | 22208 |
| Oech'ŏnma-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.0958333 | 127.7933333 | 1197 | 22338 |
| Oegongsu-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1166667 | 127.75 | 777 | 22338 |
| Oeham-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.5166667 | 127.7166667 | 488 | 22193 |
| Oeodong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1666667 | 127.95 | 800 | 21367 |
| Oeogok | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1666667 | 127.95 | 800 | 21367 |
| Oeogol | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1666667 | 127.95 | 800 | 21367 |
| Oesongsu-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.1166667 | 127.75 | 777 | 22338 |
| Ogok | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.2 | 127.7333333 | 505 | 22316 |
| Ojimi | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8666667 | 127.5 | 147 | 22124 |
| Okch'on | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3008333 | 127.5686111 | 295 | 22396 |
| Okch'ŏn | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3008333 | 127.5686111 | 295 | 22396 |
| Okchon-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 37.1666667 | 128.1166667 | 1309 | 13856 |
| Okchŏn-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 37.1666667 | 128.1166667 | 1309 | 13856 |
| Okho | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6 | 127.6833333 | 688 | 22195 |
| Okkak | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkang | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkang-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkil-tong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.2166667 | 127.7 | 367 | 22303 |
| Okkon-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkye-ri | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6333333 | 127.2833333 | 68 | 23831 |
| Oksan-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7833333 | 127.45 | 357 | 22148 |
| Oksong-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7797222 | 127.4430556 | 301 | 22148 |
| Oksŏng-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7797222 | 127.4430556 | 301 | 22148 |
| Okusu | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8833333 | 127.3666667 | 488 | 48313 |
| 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 |
| Omongnae | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8222222 | 128.3175 | 1624 | 21112 |
| Ongdaengi | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 37.1675 | 128.1725 | 1007 | 16403 |
| Orim | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.9666667 | 127.95 | 616 | 22089 |
| Orim-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.9666667 | 127.95 | 616 | 22089 |
| Orimok | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.75 | 127.6833333 | 859 | 22162 |
| Osal-li | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6602778 | 127.3777778 | 55 | 22184 |
| Osal-li | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.9677778 | 127.485 | 226 | 42668 |
| Osan | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6602778 | 127.3777778 | 55 | 22184 |
| Osan-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6602778 | 127.3777778 | 55 | 22184 |
| Osang-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.9833333 | 127.4666667 | 291 | 42668 |
| Osil | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.2 | 127.7333333 | 505 | 22316 |
| Osim-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.4833333 | 127.7666667 | 577 | 22213 |
| Osimi | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.4833333 | 127.7666667 | 577 | 22213 |
| Osong-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6111111 | 127.3255556 | 55 | 32302 |
| Osu-dong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7833333 | 127.9666667 | 708 | 22062 |
| Osumul | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7833333 | 127.9666667 | 708 | 22062 |