| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Op'a-ri | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.3308333 | 125.6366667 | 265 | 31469 |
| Op'a-rodongjagu | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.3308333 | 125.6366667 | 265 | 31469 |
| Op'o-ri | city | | Korea, Dem. Peoples Rep. of (North) | 38.1833333 | 126.2666667 | 104 | 29395 |
| Op'o-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.43 | 127.3941667 | 3 | 16289 |
| Op'o-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.1405556 | 128.4366667 | 39 | 14969 |
| Op'ung-dong | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4666667 | 128.2986111 | 3513 | 5435 |
| Op'yong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.1347222 | 125.6880556 | 629 | 30647 |
| Op'yong | city | | Korea, Dem. Peoples Rep. of (North) | 37.95 | 125.7 | 0 | 14072 |
| Op'yong | city | | Korea, Dem. Peoples Rep. of (North) | 40.1833333 | 128.1666667 | 656 | 18393 |
| Op'yong-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.4513889 | 125.6191667 | 19 | 30524 |
| Op'yong-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9577778 | 125.8269444 | 13 | 12555 |
| Op'yong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.1563889 | 128.2302778 | 232 | 18404 |
| Op'yong-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.7166667 | 128.4833333 | 1640 | 18246 |
| Op'yŏng | city | | Korea, Dem. Peoples Rep. of (North) | 37.95 | 125.7 | 0 | 14072 |
| Op'yŏng | city | | Korea, Dem. Peoples Rep. of (North) | 40.1833333 | 128.1666667 | 656 | 18393 |
| Op'yŏng-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9577778 | 125.8269444 | 13 | 12555 |
| Op'yŏng-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.1563889 | 128.2302778 | 232 | 18404 |
| Opok-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.8383333 | 129.1888889 | 433 | 13699 |
| Opong-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.8383333 | 129.1888889 | 433 | 13699 |
| Oppak-kol | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.3788889 | 125.2622222 | 236 | 30542 |
| Oppau | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4613889 | 125.9202778 | 137 | 23931 |
| Opsal-li | city | | Korea, Dem. Peoples Rep. of (North) | 40.65 | 126.2166667 | 2746 | 8422 |
| Opsan-ni | city | | Korea, Dem. Peoples Rep. of (North) | 40.65 | 126.2166667 | 2746 | 8422 |