| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oejangim | city | Busan | Korea, Republic of (South) | 35.08 | 128.98 | 183 | 555080 |
| Oejangnim | city | Busan | Korea, Republic of (South) | 35.08 | 128.98 | 183 | 555080 |
| Oenul | city | Busan | Korea, Republic of (South) | 35.07 | 128.84 | 3 | 4140 |
| Okpo | city | Busan | Korea, Republic of (South) | 35.12 | 128.84 | 9 | 7466 |
| Onjeong | city | Busan | Korea, Republic of (South) | 35.29 | 129.26 | 3 | 22296 |
| Oryundae | city | Busan | Korea, Republic of (South) | 35.25 | 129.12 | 114 | 513561 |
| Osin | city | Busan | Korea, Republic of (South) | 35.21 | 129.20 | 68 | 291492 |