| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obae | city | Gyeongbuk | Korea, Republic of (South) | 36.01 | 129.13 | 830 | 11954 |
| Obaeng-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.84 | 128.31 | 265 | 8344 |
| Obakgol | city | Jeonnam | Korea, Republic of (South) | 35.06 | 126.71 | 52 | 42904 |
| Obal-li | city | Gangwon | Korea, Republic of (South) | 37.39 | 128.70 | 2060 | 2980 |
| Oban | city | Gangwon | Korea, Republic of (South) | 37.39 | 128.69 | 1686 | 2980 |
| Obang | city | Gyeongnam | Korea, Republic of (South) | 34.93 | 128.18 | 830 | 22574 |
| Obang | city | Gyeongnam | Korea, Republic of (South) | 35.41 | 128.33 | 269 | 7450 |
| Obang-dong | city | Gyeonggi | Korea, Republic of (South) | 37.10 | 127.43 | 314 | 8344 |
| Obang-ni | city | Gyeonggi | Korea, Republic of (South) | 37.10 | 127.43 | 314 | 8344 |
| Obang-ni | city | Gyeongnam | Korea, Republic of (South) | 34.93 | 128.18 | 830 | 22574 |
| Obang-ni | city | Gyeongnam | Korea, Republic of (South) | 35.41 | 128.33 | 269 | 7450 |
| Obangdong | city | Jeonnam | Korea, Republic of (South) | 34.55 | 127.22 | 127 | 8998 |
| Obanggok | city | Gyeongnam | Korea, Republic of (South) | 35.51 | 128.36 | 32 | 8756 |
| Obanggol | city | Gyeongbuk | Korea, Republic of (South) | 35.83 | 129.12 | 190 | 16342 |
| Obangnanggol | city | Gyeonggi | Korea, Republic of (South) | 37.16 | 127.40 | 830 | 9106 |
| Obaut'o | city | Gyeongbuk | Korea, Republic of (South) | 36.27 | 129.23 | 1669 | 12078 |
| Obaut’ŏ | city | Gyeongbuk | Korea, Republic of (South) | 36.27 | 129.23 | 1669 | 12078 |
| Obi-ri | city | Korea, Republic of (South) | 34.92 | 128.62 | 150 | 54674 | |
| Obilli | city | Gyeonggi | Korea, Republic of (South) | 37.51 | 127.48 | 131 | 10086 |
| Obin | city | Gyeonggi | Korea, Republic of (South) | 37.51 | 127.48 | 183 | 10132 |
| Obin-ri | city | Gyeonggi | Korea, Republic of (South) | 37.51 | 127.48 | 131 | 10086 |
| Obok | city | Jeonnam | Korea, Republic of (South) | 34.72 | 126.52 | 3 | 7677 |
| Obok | city | Jeonbuk | Korea, Republic of (South) | 36.02 | 127.25 | 236 | 8493 |
| Obok-kol | city | Gyeongnam | Korea, Republic of (South) | 35.61 | 128.21 | 236 | 7231 |
| Obok-tong | city | Jeonnam | Korea, Republic of (South) | 34.74 | 126.86 | 216 | 9578 |
| Obol-li | city | Chungnam | Korea, Republic of (South) | 36.34 | 126.80 | 173 | 8491 |
| Obong | city | Gyeongbuk | Korea, Republic of (South) | 35.66 | 128.92 | 928 | 8001 |
| Obong | city | Gyeongnam | Korea, Republic of (South) | 35.39 | 127.77 | 2565 | 6076 |
| Obong | city | Jeonbuk | Korea, Republic of (South) | 35.89 | 126.73 | 0 | 37757 |
| Obong | city | Gangwon | Korea, Republic of (South) | 37.79 | 127.71 | 892 | 23396 |
| Obong | city | Jeonnam | Korea, Republic of (South) | 35.28 | 126.99 | 328 | 16741 |
| Obong | city | Jeonnam | Korea, Republic of (South) | 34.93 | 126.73 | 75 | 14375 |
| Obong-dong | city | Gyeongbuk | Korea, Republic of (South) | 35.66 | 128.92 | 928 | 8001 |
| Obong-ni | city | Jeonnam | Korea, Republic of (South) | 34.76 | 127.17 | 13 | 5802 |
| Obong-ni | city | Chungnam | Korea, Republic of (South) | 36.59 | 126.62 | 183 | 27110 |
| Obong-ni | city | Jeonbuk | Korea, Republic of (South) | 35.80 | 127.56 | 1669 | 4747 |
| Obong-ni | city | Jeonnam | Korea, Republic of (South) | 34.92 | 126.75 | 114 | 11673 |
| Obong-ni | city | Jeonbuk | Korea, Republic of (South) | 35.63 | 127.36 | 954 | 5720 |
| Obong-ni | city | Chungnam | Korea, Republic of (South) | 36.59 | 126.60 | 160 | 24625 |
| Obong-ni | city | Gangwon | Korea, Republic of (South) | 37.71 | 128.82 | 334 | 30447 |
| Obong-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.66 | 128.92 | 928 | 8001 |
| Obong-ni | city | Gyeongnam | Korea, Republic of (South) | 35.39 | 127.77 | 2565 | 6076 |
| Obong-ni | city | Jeju | Korea, Republic of (South) | 33.52 | 126.95 | 42 | 888 |
| Obong-ni | city | Jeonnam | Korea, Republic of (South) | 34.75 | 126.86 | 255 | 9578 |
| Obong-ni | city | Jeonbuk | Korea, Republic of (South) | 35.54 | 127.02 | 1177 | 8301 |
| Obong-ni | city | Jeonbuk | Korea, Republic of (South) | 35.78 | 127.05 | 314 | 100032 |
| Obong-ni | city | Jeonbuk | Korea, Republic of (South) | 36.03 | 127.26 | 830 | 8493 |
| Obong-ni | city | Gyeongbuk | Korea, Republic of (South) | 36.10 | 128.25 | 830 | 34685 |
| Obongjeong | city | Gyeongbuk | Korea, Republic of (South) | 36.71 | 127.98 | 1669 | 9986 |
| Obongjong | city | Gyeongbuk | Korea, Republic of (South) | 36.71 | 127.98 | 1669 | 9986 |
| Obongni | city | Gangwon | Korea, Republic of (South) | 37.71 | 128.82 | 334 | 30447 |
| Obongsan | city | Gyeonggi | Korea, Republic of (South) | 37.82 | 126.82 | 137 | 22350 |
| Obu-dong | city | Chungbuk | Korea, Republic of (South) | 36.43 | 127.54 | 170 | 46244 |
| Obuja-dong | city | Gyeonggi | Korea, Republic of (South) | 37.65 | 126.92 | 131 | 455080 |
| Obujagol | city | Gyeonggi | Korea, Republic of (South) | 37.65 | 126.92 | 131 | 455080 |
| Obujagol | city | Gyeonggi | Korea, Republic of (South) | 37.66 | 126.92 | 131 | 478455 |
| Obun-dong | city | Gangwon | Korea, Republic of (South) | 37.43 | 129.19 | 0 | 22288 |
| Obun-gol | city | Gyeongbuk | Korea, Republic of (South) | 36.49 | 129.16 | 1053 | 2747 |
| Obundong | city | Gangwon | Korea, Republic of (South) | 37.43 | 129.19 | 0 | 22288 |
| Obusil | city | Gyeongbuk | Korea, Republic of (South) | 35.68 | 128.71 | 830 | 7842 |
| Obŏn-ni | city | Chungnam | Korea, Republic of (South) | 36.34 | 126.80 | 173 | 8491 |