| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obang-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.1 | 127.4333333 | 314 | 90731 |
| Obang-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.1 | 127.4333333 | 314 | 90731 |
| Obongsan | city | Kyonggi-do | Korea, Republic of (South) | 37.8241667 | 126.8241667 | 137 | 89874 |
| Och'ol-li | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Och'on-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Och'ŏl-li | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Och'ŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Odong-ch'on | city | Kyonggi-do | Korea, Republic of (South) | 37.2013889 | 127.4083333 | 406 | 90629 |
| Oe-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.2666667 | 126.8166667 | 49 | 64175 |
| Oe-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.4080556 | 127.0866667 | 252 | 292394 |
| Oebang-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.7255556 | 127.3105556 | 305 | 89976 |
| Oech'ugye | city | Kyonggi-do | Korea, Republic of (South) | 37.2527778 | 127.3244444 | 469 | 90531 |
| Oegach'on | city | Kyonggi-do | Korea, Republic of (South) | 37.0413889 | 127.1025 | 131 | 90293 |
| Oegach'on-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.0413889 | 127.1025 | 131 | 90293 |
| Oegach'ŏn | city | Kyonggi-do | Korea, Republic of (South) | 37.0413889 | 127.1025 | 131 | 90293 |
| Oegach'ŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.0413889 | 127.1025 | 131 | 90293 |
| Oehwasan | city | Kyonggi-do | Korea, Republic of (South) | 37.7969444 | 126.8411111 | 127 | 89874 |
| Oemuduri | city | Kyonggi-do | Korea, Republic of (South) | 37.6458333 | 127.3788889 | 331 | 90074 |
| Oemudŭri | city | Kyonggi-do | Korea, Republic of (South) | 37.6458333 | 127.3788889 | 331 | 90074 |
| Oemusu-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.6458333 | 127.3788889 | 331 | 90074 |
| Oesamjong-ni | city | Kyonggi-do | Korea, Republic of (South) | 36.9666667 | 126.9666667 | 0 | 76714 |
| Oesamjŏng-ni | city | Kyonggi-do | Korea, Republic of (South) | 36.9666667 | 126.9666667 | 0 | 76714 |
| Oesandae | city | Kyonggi-do | Korea, Republic of (South) | 37.0888889 | 127.5083333 | 324 | 85523 |
| Oesuim-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.6458333 | 127.3788889 | 331 | 90074 |
| Oesuip | city | Kyonggi-do | Korea, Republic of (South) | 37.6458333 | 127.3788889 | 331 | 90074 |
| Oeyaksa | city | Kyonggi-do | Korea, Republic of (South) | 38.0961111 | 127.3836111 | 1177 | 20517 |
| Oeyaksa-dong | city | Kyonggi-do | Korea, Republic of (South) | 38.0961111 | 127.3836111 | 1177 | 20517 |
| Oeyong-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.3727778 | 127.6797222 | 298 | 82471 |
| Oga-ri | city | Kyonggi-do | Korea, Republic of (South) | 38.0238889 | 127.1841667 | 203 | 88614 |
| Ogum-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.6666667 | 126.9 | 229 | 90027 |
| Ogŭm-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.6666667 | 126.9 | 229 | 90027 |
| Oido | city | Kyonggi-do | Korea, Republic of (South) | 37.3333333 | 126.7 | 0 | 9713 |
| Okch'ol-li | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'on-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Okch'on-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'ŏl-li | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'ŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Okch'ŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okchong-ni | city | Kyonggi-do | Korea, Republic of (South) | 36.9758333 | 127.3641667 | 423 | 87797 |
| Okchŏng-ni | city | Kyonggi-do | Korea, Republic of (South) | 36.9758333 | 127.3641667 | 423 | 87797 |
| Okkye-ri | city | Kyonggi-do | Korea, Republic of (South) | 38.1197222 | 127.0455556 | 170 | 74876 |
| Okkyo-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.3333333 | 127.55 | 180 | 90480 |
| Oktol-mal | city | Kyonggi-do | Korea, Republic of (South) | 37.8141667 | 126.7719444 | 147 | 89874 |
| Omi | city | Kyonggi-do | Korea, Republic of (South) | 37.19 | 127.0969444 | 127 | 90629 |
| Omok-kol | city | Kyonggi-do | Korea, Republic of (South) | 37.9147222 | 127.4947222 | 597 | 87973 |
| 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 |
| Omugi | city | Kyonggi-do | Korea, Republic of (South) | 37.8441667 | 126.7752778 | 22 | 89822 |
| Ongjong | city | Kyonggi-do | Korea, Republic of (South) | 37.0405556 | 127.0180556 | 39 | 84790 |
| Ongjŏng | city | Kyonggi-do | Korea, Republic of (South) | 37.0405556 | 127.0180556 | 39 | 84790 |
| Onyang-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.855 | 126.8791667 | 351 | 89822 |
| Ora-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.6533333 | 126.6233333 | 52 | 82786 |
| Ori-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.9927778 | 126.8402778 | 68 | 82781 |
| Ori-gol | city | Kyonggi-do | Korea, Republic of (South) | 37.9497222 | 126.8638889 | 150 | 89149 |
| Ori-gol | city | Kyonggi-do | Korea, Republic of (South) | 37.5269444 | 127.5991667 | 459 | 89708 |
| Orijong | city | Kyonggi-do | Korea, Republic of (South) | 37.7 | 126.5666667 | 82 | 82509 |
| Orijŏng | city | Kyonggi-do | Korea, Republic of (South) | 37.7 | 126.5666667 | 82 | 82509 |
| Orung-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.8441667 | 126.8652778 | 236 | 89822 |
| Oryong-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.6666667 | 126.8166667 | 98 | 89155 |
| Oryong-gol | city | Kyonggi-do | Korea, Republic of (South) | 37.6666667 | 126.8166667 | 98 | 89155 |
| Oryong-gol | city | Kyonggi-do | Korea, Republic of (South) | 37.3761111 | 127.6197222 | 216 | 90378 |
| Oryong-kol | city | Kyonggi-do | Korea, Republic of (South) | 37.6666667 | 126.8166667 | 98 | 89155 |
| Orŭng-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.8441667 | 126.8652778 | 236 | 89822 |
| Osan | city | Kyonggi-do | Korea, Republic of (South) | 37.145 | 127.0694444 | 62 | 90679 |
| Osan-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.7 | 127.2166667 | 400 | 90027 |
| Osan-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.145 | 127.0694444 | 62 | 90679 |
| Osont'ae | city | Kyonggi-do | Korea, Republic of (South) | 37.8141667 | 126.6894444 | 114 | 61819 |
| Osŏnt'ae | city | Kyonggi-do | Korea, Republic of (South) | 37.8141667 | 126.6894444 | 114 | 61819 |
| Oun-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.8044444 | 126.7830556 | 52 | 89874 |
| Oyaso | city | Kyonggi-do | Korea, Republic of (South) | 37.4088889 | 127.1305556 | 255 | 168792 |
| Oyon-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.0488889 | 126.9783333 | 52 | 90274 |
| Oyong-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.6666667 | 126.8166667 | 98 | 89155 |
| Oyŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.0488889 | 126.9783333 | 52 | 90274 |