| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Obongdogi | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.0986111 | 128.8083333 | 4596 | 16153 |
| Obongdŏgi | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.0986111 | 128.8083333 | 4596 | 16153 |
| Odunbegi | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.3244444 | 128.2888889 | 3497 | 5506 |
| Oesal-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.3008333 | 128.3686111 | 3389 | 5506 |
| Oesan-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.3008333 | 128.3686111 | 3389 | 5506 |
| Ogubae | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.5372222 | 127.1608333 | 1679 | 5702 |
| Oho-nodongjagu | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 42.033333 | 128.8494444 | 2824 | 7498 |
| Oholtong-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.3283333 | 128.2422222 | 3284 | 5506 |
| Ohomultong-nodongjagu | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.7588889 | 128.1463889 | 4399 | 5083 |
| Ohŏltŏng-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.3283333 | 128.2422222 | 3284 | 5506 |
| Oil-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.2677778 | 128.2808333 | 3221 | 5510 |
| Oil-lodongjagu | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.2677778 | 128.2808333 | 3221 | 5510 |
| Okch'ol-lodongjagu | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.8152778 | 128.7966667 | 3602 | 12595 |
| Okch'ŏl-lodongjagu | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.8152778 | 128.7966667 | 3602 | 12595 |
| Ombang-dong | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 40.715 | 128.2955556 | 3828 | 9653 |
| Ombang-gol | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 40.715 | 128.2955556 | 3828 | 9653 |
| Ombang-kol | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 40.715 | 128.2955556 | 3828 | 9653 |
| On'gomji-dong | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4355556 | 128.4558333 | 4750 | 5496 |
| On'gŏmji-dong | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4355556 | 128.4558333 | 4750 | 5496 |
| Ongdong-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.345 | 128.2305556 | 2693 | 5480 |
| Ongnyol-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.0455556 | 128.2952778 | 2805 | 5569 |
| Ongnyon-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.0455556 | 128.2952778 | 2805 | 5569 |
| Op'ung-dong | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4666667 | 128.2986111 | 3513 | 5435 |
| Osal-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4691667 | 128.2880556 | 3457 | 5122 |
| Osan-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4691667 | 128.2880556 | 3457 | 5122 |
| Osich'on-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4258333 | 128.2658333 | 2828 | 5377 |
| Osich'ŏn-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4258333 | 128.2658333 | 2828 | 5377 |
| Oul-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 40.9255556 | 128.0408333 | 3323 | 5538 |
| Oul-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.069444 | 128.1041667 | 5246 | 5527 |
| Oun-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.069444 | 128.1041667 | 5246 | 5527 |
| Oung-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 40.9255556 | 128.0408333 | 3323 | 5538 |
| Oyol-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.2272222 | 128.2777778 | 2746 | 5513 |