| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| O P'ansang-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.47 | 125.86 | 1082 | 3690 |
| O P’ansang-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.47 | 125.86 | 1082 | 3690 |
| Oam-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.18 | 126.95 | 2509 | 7599 |
| Obong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.71 | 126.99 | 1719 | 7386 |
| Och'on-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.73 | 126.32 | 2509 | 4301 |
| Och’ŏn-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.73 | 126.32 | 2509 | 4301 |
| Oebyol-tong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.53 | 125.73 | 830 | 4302 |
| Oegwijin | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.18 | 126.43 | 1128 | 7599 |
| Oejongsudogi | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.44 | 126.55 | 1669 | 7113 |
| Oejung-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.77 | 126.56 | 1669 | 7599 |
| Oejung-nodongjagu | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.71 | 126.64 | 2509 | 7599 |
| Oejung-rodongjagu | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.71 | 126.64 | 2509 | 7599 |
| Oep'yong-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.13 | 126.62 | 1955 | 7599 |
| Oep’yŏng-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.13 | 126.62 | 1955 | 7599 |
| Oeryu-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.30 | 126.49 | 1669 | 3278 |
| Oesam-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.38 | 126.58 | 1230 | 7452 |
| Oesich'on-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.08 | 126.40 | 1233 | 7599 |
| Oesich’ŏn-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.08 | 126.40 | 1233 | 7599 |
| Oesil-li | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.68 | 125.64 | 869 | 4470 |
| Oesin-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.68 | 125.64 | 869 | 4470 |
| Oesŏ-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.81 | 126.55 | 1079 | 7283 |
| Oeyu-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.30 | 126.49 | 1669 | 3278 |
| Ogae-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.14 | 126.64 | 1683 | 7599 |
| Ogae-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.06 | 126.64 | 1174 | 7599 |
| Ogasan-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.08 | 126.19 | 1158 | 7206 |
| Ogok-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.80 | 126.29 | 1246 | 4172 |
| Ogokch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.73 | 126.63 | 2509 | 7599 |
| Oguch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.13 | 126.28 | 830 | 7599 |
| Oguch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.27 | 126.64 | 1669 | 3278 |
| Oguch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.30 | 830 | 5881 |
| Oha-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.71 | 125.63 | 980 | 4381 |
| Oha-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.71 | 125.63 | 980 | 4381 |
| Ohon-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.60 | 126.02 | 2509 | 3928 |
| Ohwa-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.70 | 125.98 | 2509 | 5448 |
| Ohyŏn-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.67 | 126.16 | 2509 | 4172 |
| Oil | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.98 | 126.80 | 2604 | 7599 |
| Oil | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.98 | 126.80 | 2509 | 7599 |
| Oil-lodongjagu | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.98 | 126.80 | 2604 | 7599 |
| Oil-nodongjagu | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.98 | 126.80 | 2604 | 7599 |
| Oil-rodongjagu | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.98 | 126.80 | 2604 | 7599 |
| Ok-tong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.34 | 126.43 | 879 | 6564 |
| Okkan-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.54 | 127.52 | 4189 | 7387 |
| Okkan-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.53 | 127.50 | 4370 | 7398 |
| Oksadok | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.77 | 126.49 | 2509 | 6274 |
| Oman-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.97 | 127.09 | 3349 | 7599 |
| Oman-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.97 | 127.09 | 3349 | 7599 |
| Omch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.23 | 126.59 | 1669 | 3278 |
| Omoro-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.86 | 126.55 | 1138 | 7367 |
| Omoro-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.86 | 126.55 | 1138 | 7367 |
| Onch'och'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.19 | 126.43 | 830 | 3309 |
| Onch'ol-li | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.24 | 126.66 | 1669 | 3278 |
| Onch'on-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.24 | 126.66 | 1669 | 3278 |
| Onch'ukch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.16 | 126.45 | 1853 | 3723 |
| Onchon-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.24 | 126.66 | 1669 | 3278 |
| Onch’och’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.19 | 126.43 | 830 | 3309 |
| Onch’ukch’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.16 | 126.45 | 1853 | 3723 |
| Onch’ŏl-li | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.24 | 126.66 | 1669 | 3278 |
| Onch’ŏn-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.24 | 126.66 | 1669 | 3278 |
| Ongbuk-tong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.07 | 126.28 | 1171 | 7599 |
| Ongjang-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.76 | 125.77 | 1669 | 5503 |
| Ongjang-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.28 | 126.64 | 1709 | 7546 |
| Ongjang-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.05 | 126.68 | 1774 | 7599 |
| Ongjidok | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.05 | 126.79 | 2509 | 7599 |
| Ongnyuch'on | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.05 | 126.64 | 1217 | 7599 |
| Ongnyuch’ŏn | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.05 | 126.64 | 1217 | 7599 |
| Ongsŏng-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.49 | 126.64 | 1171 | 7450 |
| Onhach'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.68 | 1902 | 3278 |
| Onhach’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.68 | 1902 | 3278 |
| Onjungch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.18 | 126.44 | 1236 | 3293 |
| Onjungch’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.18 | 126.44 | 1236 | 3293 |
| Onoguch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.43 | 846 | 3286 |
| Onsangch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.19 | 126.68 | 2509 | 3278 |
| Onsangch’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.19 | 126.68 | 2509 | 3278 |
| Onsuch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.52 | 1833 | 3278 |
| Onsuch’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.52 | 1833 | 3278 |
| Onŏguch’am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.21 | 126.43 | 846 | 3286 |
| Opsan-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.63 | 126.21 | 3349 | 4172 |
| Oryu-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.01 | 126.20 | 1003 | 7599 |
| Oryu-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.01 | 126.20 | 1003 | 7599 |
| Osang-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.70 | 125.60 | 830 | 4469 |
| Osang-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.70 | 125.60 | 830 | 4469 |
| Osang-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.63 | 125.77 | 1669 | 4586 |
| Osang-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.70 | 125.60 | 830 | 4469 |
| Osu-ri | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.70 | 127.02 | 2509 | 7104 |
| Osudŏk | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 41.75 | 126.96 | 2509 | 7020 |
| Oul-li | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.65 | 125.61 | 830 | 4470 |
| Oun-gol | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.09 | 126.16 | 387 | 7986 |
| Oyong-dong | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.86 | 125.95 | 1181 | 5274 |