| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onae | city | Gyeongbuk | Korea, Republic of (South) | 36.79 | 128.74 | 830 | 8065 |
| Onae | city | Chungbuk | Korea, Republic of (South) | 36.25 | 127.78 | 370 | 8279 |
| Onam | city | Chungbuk | Korea, Republic of (South) | 36.69 | 127.47 | 144 | 66272 |
| Onam | city | Gyeonggi | Korea, Republic of (South) | 37.70 | 127.21 | 285 | 98136 |
| Onam-dong | city | Chungnam | Korea, Republic of (South) | 36.75 | 126.48 | 36 | 41569 |
| Onam-dong | city | Chungnam | Korea, Republic of (South) | 36.76 | 126.47 | 16 | 48112 |
| Onam-ni | city | Chungnam | Korea, Republic of (South) | 36.75 | 126.48 | 36 | 41569 |
| Onam-ni | city | Chungnam | Korea, Republic of (South) | 36.37 | 126.78 | 830 | 8144 |
| Onam-ri | city | Gyeonggi | Korea, Republic of (South) | 37.69 | 127.22 | 830 | 90666 |
| Onamni | city | Gyeonggi | Korea, Republic of (South) | 37.69 | 127.22 | 830 | 90666 |