| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onch'ol-li | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.31 | 125.16 | 190 | 22719 |
| Onch'ol-li | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.35 | 125.53 | 39 | 28163 |
| Onch'ol-li | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.21 | 125.42 | 259 | 24451 |
| Onch'on-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.31 | 125.16 | 190 | 22719 |
| Onch'on-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.35 | 125.53 | 39 | 28163 |
| Onch'on-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.21 | 125.42 | 259 | 24451 |
| Onch’ŏl-li | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.31 | 125.16 | 190 | 22719 |
| Onch’ŏl-li | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.35 | 125.53 | 39 | 28163 |
| Onch’ŏl-li | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.21 | 125.42 | 259 | 24451 |
| Onch’ŏn-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.31 | 125.16 | 190 | 22719 |
| Onch’ŏn-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.35 | 125.53 | 39 | 28163 |
| Onch’ŏn-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.21 | 125.42 | 259 | 24451 |
| Ong-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.04 | 125.74 | 95 | 172109 |
| Ongch'on | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.57 | 125.29 | 830 | 24758 |
| Ongch’on | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.57 | 125.29 | 830 | 24758 |
| Onggijom | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.81 | 125.49 | 104 | 13415 |
| Ongjang | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.97 | 125.39 | 262 | 21144 |
| Ongjang-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.95 | 125.06 | 226 | 13064 |
| Ongjang-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.95 | 125.26 | 272 | 20189 |
| Ongjil-lodongjagu | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 125.37 | 154 | 21346 |
| Ongjin | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.93 | 125.36 | 39 | 20795 |
| Ongjin-ŭp | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.93 | 125.36 | 39 | 20795 |
| Ongjomch'on | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.01 | 125.53 | 82 | 18083 |
| Ongjŏm-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.93 | 125.07 | 118 | 16499 |
| Ongjŏmch’on | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.01 | 125.53 | 82 | 18083 |
| Ongnyon-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.93 | 126.50 | 65 | 38336 |
| Ongnyŏn-gol | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.93 | 126.50 | 65 | 38336 |
| Onin-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.46 | 125.61 | 13 | 33942 |
| Onjong-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.12 | 126.20 | 180 | 19953 |
| Onjŏng-ni | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.57 | 125.43 | 95 | 21755 |
| Onme | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 126.06 | 29 | 33573 |
| Onmoe | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.96 | 126.06 | 29 | 33573 |
| Onsei-ri | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.57 | 125.43 | 95 | 21755 |
| Onsei-ri | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.12 | 126.20 | 180 | 19953 |
| Onsen-ri | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.21 | 125.42 | 259 | 24451 |
| Onsin-dong | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.01 | 126.75 | 200 | 14275 |
| Onsu-ri | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.31 | 125.17 | 170 | 22669 |
| Onsui-ri | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.31 | 125.17 | 170 | 22669 |