| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Okbak-gol | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.00 | 406 | 458089 |
| Okch'ol-li | city | Gyeonggi | Korea, Republic of (South) | 37.52 | 127.46 | 308 | 10054 |
| Okch'ol-li | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.63 | 830 | 9321 |
| Okch'on-ni | city | Gyeonggi | Korea, Republic of (South) | 37.52 | 127.46 | 308 | 10054 |
| Okch'on-ni | city | Gyeonggi | Korea, Republic of (South) | 37.25 | 127.35 | 265 | 62691 |
| Okcheolli | city | Gyeonggi | Korea, Republic of (South) | 37.52 | 127.46 | 308 | 10054 |
| Okcholli | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.63 | 830 | 9321 |
| Okchon-ri | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.63 | 830 | 9321 |
| Okch’ol-li | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.63 | 830 | 9321 |
| Okch’ŏl-li | city | Gyeonggi | Korea, Republic of (South) | 37.52 | 127.46 | 308 | 10054 |
| Okch’ŏn-ni | city | Gyeonggi | Korea, Republic of (South) | 37.52 | 127.46 | 308 | 10054 |
| Okch’ŏn-ni | city | Gyeonggi | Korea, Republic of (South) | 37.25 | 127.35 | 265 | 62691 |
| Okdolmal | city | Gyeonggi | Korea, Republic of (South) | 37.81 | 126.78 | 147 | 22350 |
| Okgaeul | city | Gyeonggi | Korea, Republic of (South) | 37.71 | 126.60 | 39 | 63400 |
| Okgol | city | Gyeonggi | Korea, Republic of (South) | 38.07 | 126.98 | 321 | 7788 |
| Okgyeul | city | Gyeonggi | Korea, Republic of (South) | 37.71 | 126.60 | 39 | 63400 |
| Okgyodong | city | Gyeonggi | Korea, Republic of (South) | 37.74 | 126.86 | 331 | 80097 |
| Okhyeolli | city | Gyeonggi | Korea, Republic of (South) | 37.44 | 127.64 | 830 | 10045 |
| Okhyeon-ri | city | Gyeonggi | Korea, Republic of (South) | 37.44 | 127.64 | 830 | 10045 |
| Okhyŏl-li | city | Gyeonggi | Korea, Republic of (South) | 37.44 | 127.64 | 830 | 10045 |
| Okkyo-dong | city | Gyeonggi | Korea, Republic of (South) | 37.33 | 127.55 | 180 | 23209 |
| Okkyo-dong | city | Gyeonggi | Korea, Republic of (South) | 37.74 | 126.86 | 331 | 80097 |
| Okpak-kol | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.00 | 406 | 458089 |
| Oksan-mal | city | Gyeonggi | Korea, Republic of (South) | 37.25 | 126.93 | 88 | 351702 |
| Oksantteul | city | Gyeonggi | Korea, Republic of (South) | 37.01 | 127.25 | 68 | 17368 |
| Oksanttŭl | city | Gyeonggi | Korea, Republic of (South) | 37.01 | 127.25 | 68 | 17368 |
| Okt'ap-kol | city | Gyeonggi | Korea, Republic of (South) | 37.41 | 126.99 | 830 | 512008 |
| Okt'o-gol | city | Gyeonggi | Korea, Republic of (South) | 37.39 | 127.21 | 830 | 192386 |
| Okt'ogo-ri | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.62 | 380 | 9321 |
| Oktap-gol | city | Gyeonggi | Korea, Republic of (South) | 37.41 | 126.99 | 830 | 512008 |
| Okteo-gol | city | Gyeonggi | Korea, Republic of (South) | 37.39 | 127.21 | 830 | 192386 |
| Okteogeo-ri | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.62 | 380 | 9321 |
| Oktol-mal | city | Gyeonggi | Korea, Republic of (South) | 37.81 | 126.78 | 147 | 22350 |
| Okt’ap-kol | city | Gyeonggi | Korea, Republic of (South) | 37.41 | 126.99 | 830 | 512008 |
| Okt’ŏ-gol | city | Gyeonggi | Korea, Republic of (South) | 37.39 | 127.21 | 830 | 192386 |
| Okt’ŏgŏ-ri | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.62 | 380 | 9321 |