| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ou | city | Korea, Republic of (South) | 35.97 | 127.18 | 131 | 13870 | |
| Oul | city | Gyeongnam | Korea, Republic of (South) | 35.49 | 128.45 | 193 | 13508 |
| Oul-li | city | Jeonbuk | Korea, Republic of (South) | 35.90 | 126.67 | 9 | 69338 |
| Oul-li | city | Gyeonggi | Korea, Republic of (South) | 37.09 | 126.84 | 144 | 8158 |
| Oul-li | city | Jeonbuk | Korea, Republic of (South) | 35.54 | 127.30 | 830 | 6407 |
| Oulmok | city | Gangwon | Korea, Republic of (South) | 37.65 | 128.09 | 2509 | 1677 |
| Oum | city | Jeonnam | Korea, Republic of (South) | 34.65 | 126.15 | 19 | 3815 |
| Oumsa | city | Gangwon | Korea, Republic of (South) | 38.05 | 127.82 | 885 | 2661 |
| Oumsil | city | Gangwon | Korea, Republic of (South) | 37.28 | 128.76 | 2713 | 2980 |
| Oun | city | Jeonbuk | Korea, Republic of (South) | 35.90 | 126.68 | 16 | 57175 |
| Oun | city | Jeonnam | Korea, Republic of (South) | 34.93 | 127.42 | 830 | 41459 |
| Oun | city | Chungbuk | Korea, Republic of (South) | 37.06 | 128.63 | 1669 | 3738 |
| Oun | city | Gyeongnam | Korea, Republic of (South) | 35.47 | 128.37 | 101 | 8511 |
| Oun-dong | city | Chungnam | Korea, Republic of (South) | 36.10 | 126.70 | 127 | 4948 |
| Oun-dong | city | Jeonbuk | Korea, Republic of (South) | 35.75 | 127.48 | 1689 | 4585 |
| Oun-dong | city | Korea, Republic of (South) | 35.05 | 126.37 | 3 | 2748 | |
| Oun-dong | city | Chungnam | Korea, Republic of (South) | 36.79 | 126.36 | 29 | 21273 |
| Oun-dong | city | Gyeonggi | Korea, Republic of (South) | 37.80 | 126.78 | 98 | 22350 |
| Oun-dong | city | Gangwon | Korea, Republic of (South) | 37.44 | 128.57 | 3349 | 2666 |
| Oun-dong | city | Daejeon | Korea, Republic of (South) | 36.37 | 127.35 | 104 | 109016 |
| Oun-dong | city | Gyeongnam | Korea, Republic of (South) | 35.55 | 127.86 | 1040 | 5822 |
| Oun-gol | city | Gyeonggi | Korea, Republic of (South) | 37.63 | 127.16 | 124 | 262738 |
| Oun-gol | city | Chungnam | Korea, Republic of (South) | 36.77 | 126.19 | 91 | 8304 |
| Oun-gol | city | Jeonbuk | Korea, Republic of (South) | 35.53 | 127.30 | 830 | 6408 |
| Oun-ni | city | Jeonnam | Korea, Republic of (South) | 34.59 | 126.03 | 88 | 4751 |