Städte in der Nähe Onsong
| Ch'ŏngjin | 129,51 km |
| Mudanjiang | 179,68 km |
| Artjom | 185,28 km |
| Ussurijsk | 185,51 km |
| Nachodka | 236,61 km |
| Jixi | 271,45 km |
| Jilin | 295,55 km |
| Baishan | 314,39 km |
| Changchun | 390,1 km |
| Hamhŭng | 395,11 km |
| Liaoyuan | 395,83 km |
| Shuangyashan | 420,41 km |