| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obong-dŏk | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.11 | 128.81 | 5029 | 7836 |
| Obongdogi | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.11 | 128.81 | 5029 | 7836 |
| Odunbegi | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.33 | 128.29 | 3497 | 24446 |
| Oesal-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.30 | 128.37 | 3389 | 12580 |
| Oesan-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.30 | 128.37 | 3389 | 12580 |
| Ogubae | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.54 | 127.16 | 1679 | 1431 |
| Oho-nodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 42.00 | 128.85 | 3349 | 4001 |
| Oholtong-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.33 | 128.24 | 2874 | 24585 |
| Ohomultong-nodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.76 | 128.15 | 4399 | 1142 |
| Oil-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.28 | 128.31 | 3349 | 20294 |
| Oil-lodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.28 | 128.31 | 3349 | 20294 |
| Oil-rodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.28 | 128.31 | 3349 | 20294 |
| Okch'ol-lodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.82 | 128.81 | 3599 | 2713 |
| Okchon-rodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.82 | 128.81 | 3599 | 2713 |
| Okch’ŏl-lodongjagu | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.82 | 128.81 | 3599 | 2713 |
| Ombang-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 40.72 | 128.30 | 4189 | 2384 |
| Ombang-kol | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 40.72 | 128.30 | 4189 | 2384 |
| On'gomji-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.44 | 128.46 | 5029 | 4282 |
| Ongdong-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.34 | 128.23 | 2693 | 46638 |
| Ongnyol-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.05 | 128.30 | 2805 | 5364 |
| On’gŏmji-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.44 | 128.46 | 5029 | 4282 |
| Op'ung-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.30 | 3513 | 3798 |
| Op’ung-dong | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.30 | 3513 | 3798 |
| Osal-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.29 | 3457 | 4071 |
| Osan-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.29 | 3457 | 4071 |
| Osich'ol-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.43 | 128.26 | 2828 | 86576 |
| Osich'on-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.42 | 128.26 | 2706 | 108939 |
| Osich’ŏl-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.43 | 128.26 | 2828 | 86576 |
| Osich’ŏn-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.42 | 128.26 | 2706 | 108939 |
| Osil-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.47 | 128.29 | 3457 | 4071 |
| Oun-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.01 | 128.10 | 3615 | 3190 |
| Oung-ni | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 40.93 | 128.04 | 3349 | 2086 |
| Oyol-li | city | Yanggang | Korea, Dem. Peoples Rep. of (North) | 41.23 | 128.28 | 2746 | 16895 |