| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 오대 | city | Daejeon | Korea, Republic of (South) | 36.48 | 127.39 | 98 | 119798 |
| 오동 | city | Daejeon | Korea, Republic of (South) | 36.42 | 127.52 | 203 | 94577 |
| 오동 | city | Daejeon | Korea, Republic of (South) | 36.42 | 127.54 | 301 | 67680 |
| 오동 (Odong) | city | Daejeon | Korea, Republic of (South) | 36.42 | 127.52 | 203 | 94577 |
| 오룡골 | city | Daejeon | Korea, Republic of (South) | 36.25 | 127.35 | 383 | 453565 |
| 오룡이 | city | Daejeon | Korea, Republic of (South) | 36.42 | 127.40 | 170 | 159474 |
| 오리골 | city | Daejeon | Korea, Republic of (South) | 36.35 | 127.49 | 367 | 237123 |
| 오리울 | city | Daejeon | Korea, Republic of (South) | 36.22 | 127.32 | 830 | 396353 |
| 오얏골 | city | Daejeon | Korea, Republic of (South) | 36.46 | 127.38 | 170 | 101991 |