| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Op'a-ri | city | P'yongnam | Korea, Dem. Peoples Rep. of (North) | 39.33 | 125.64 | 216 | 37909 |
| Op'a-rodongjagu | city | P'yongnam | Korea, Dem. Peoples Rep. of (North) | 39.33 | 125.64 | 216 | 37909 |
| Op'o-ri | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.39 | 3 | 24333 |
| Op'o-ri | city | Korea, Dem. Peoples Rep. of (North) | 38.18 | 126.27 | 104 | 17420 | |
| Op'o-ri | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.14 | 128.44 | 42 | 26330 |
| Op'ung-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.30 | 3513 | 3798 |
| Op'yong | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.18 | 128.16 | 830 | 18378 |
| Op'yong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.13 | 125.69 | 830 | 15756 |
| Op'yong | city | Korea, Dem. Peoples Rep. of (North) | 37.95 | 125.70 | 0 | 7460 | |
| Op'yong-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 125.83 | 13 | 17799 |
| Op'yong-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.45 | 125.62 | 19 | 34522 |
| Op'yong-ni | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.72 | 128.48 | 1669 | 7301 |
| Op'yong-ni | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.16 | 128.23 | 232 | 27700 |
| Opok-dong | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 40.84 | 129.19 | 830 | 11329 |
| Oppak-kol | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.38 | 125.27 | 275 | 21605 |
| Oppau | city | Hwangbuk | Korea, Dem. Peoples Rep. of (North) | 38.46 | 125.92 | 137 | 22350 |
| Opsal-li | city | P'yongbuk | Korea, Dem. Peoples Rep. of (North) | 40.27 | 124.69 | 226 | 17006 |
| Opsan-ni | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.63 | 126.21 | 3349 | 4172 |
| Opyhong-ri | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.16 | 128.23 | 232 | 27700 |
| Op’o-ri | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.39 | 3 | 24333 |
| Op’o-ri | city | Korea, Dem. Peoples Rep. of (North) | 38.18 | 126.27 | 104 | 17420 | |
| Op’o-ri | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.14 | 128.44 | 42 | 26330 |
| Op’ung-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.30 | 3513 | 3798 |
| Op’yŏng | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.18 | 128.16 | 830 | 18378 |
| Op’yŏng | city | Korea, Dem. Peoples Rep. of (North) | 37.95 | 125.70 | 0 | 7460 | |
| Op’yŏng-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 125.83 | 13 | 17799 |
| Op’yŏng-ni | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 40.16 | 128.23 | 232 | 27700 |