| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 온석동 | city | Chungnam | Korea, Republic of (South) | 36.80 | 126.47 | 42 | 51129 |
| 온수 | city | Chungnam | Korea, Republic of (South) | 36.30 | 126.74 | 305 | 9549 |
| 온암리 | city | Chungnam | Korea, Republic of (South) | 36.37 | 126.78 | 830 | 8144 |
| 온양머리 | city | Chungnam | Korea, Republic of (South) | 36.70 | 126.80 | 36 | 40455 |
| 온양온천1동 | city | Chungnam | Korea, Republic of (South) | 36.79 | 127.00 | 49 | 74171 |
| 온양온천2동 | city | Chungnam | Korea, Republic of (South) | 36.78 | 127.00 | 72 | 73511 |
| 온주동 | city | Chungnam | Korea, Republic of (South) | 36.76 | 127.02 | 45 | 65884 |
| 온직리 | city | Chungnam | Korea, Republic of (South) | 36.38 | 126.81 | 830 | 7888 |
| 온천 | city | Chungnam | Korea, Republic of (South) | 36.39 | 127.26 | 830 | 24986 |
| 온천동 | city | Chungnam | Korea, Republic of (South) | 36.71 | 126.18 | 29 | 5156 |
| 온천동 | city | Chungnam | Korea, Republic of (South) | 36.44 | 126.80 | 830 | 7785 |
| 온탑리 | city | Chungnam | Korea, Republic of (South) | 36.35 | 126.77 | 830 | 8534 |
| 온해리 | city | Chungnam | Korea, Republic of (South) | 36.30 | 126.75 | 239 | 9304 |