| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oido | city | Gyeonggi | Korea, Republic of (South) | 37.33 | 126.70 | 0 | 79276 |
| Oil-li | city | Gyeonggi | Korea, Republic of (South) | 37.18 | 126.97 | 91 | 96394 |
| Oil-ri | city | Gyeonggi | Korea, Republic of (South) | 37.18 | 126.97 | 91 | 96394 |