| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Osa | city | Gyeongbuk | Korea, Republic of (South) | 35.71 | 128.37 | 118 | 15749 |
| Osa-ri | city | Gyeongbuk | Korea, Republic of (South) | 35.71 | 128.37 | 118 | 15749 |
| Osal-li | city | Gyeongbuk | Korea, Republic of (South) | 36.90 | 129.41 | 216 | 3774 |
| Osal-li | city | Gyeongbuk | Korea, Republic of (South) | 36.40 | 128.01 | 830 | 5960 |
| Osal-li | city | Gyeongbuk | Korea, Republic of (South) | 35.99 | 128.27 | 830 | 7968 |
| Osan | city | Gyeongbuk | Korea, Republic of (South) | 36.89 | 129.41 | 0 | 4021 |
| Osan | city | Gyeongbuk | Korea, Republic of (South) | 35.92 | 128.21 | 249 | 8344 |
| Osang-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.43 | 128.28 | 830 | 8364 |
| Osang-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.19 | 128.39 | 104 | 70783 |
| Osang-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.32 | 128.75 | 830 | 6854 |
| Osigol | city | Gyeongbuk | Korea, Republic of (South) | 36.73 | 128.10 | 830 | 49892 |
| Osilgae | city | Gyeongbuk | Korea, Republic of (South) | 36.14 | 129.03 | 866 | 12008 |
| Oso | city | Gyeongbuk | Korea, Republic of (South) | 36.89 | 129.12 | 2509 | 3432 |
| Osol | city | Gyeongbuk | Korea, Republic of (South) | 35.99 | 128.43 | 278 | 34682 |
| Osong | city | Gyeongbuk | Korea, Republic of (South) | 36.15 | 128.15 | 187 | 61810 |
| Osong-gol | city | Gyeongbuk | Korea, Republic of (South) | 36.90 | 129.04 | 1669 | 1043 |
| Osongkol | city | Gyeongbuk | Korea, Republic of (South) | 36.90 | 129.04 | 1669 | 1043 |
| Osowŏl | city | Gyeongbuk | Korea, Republic of (South) | 35.99 | 128.43 | 278 | 34682 |
| Osŏng | city | Gyeongbuk | Korea, Republic of (South) | 36.23 | 128.18 | 830 | 8875 |