| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Koi-ri | city | Jeonnam | Korea, Republic of (South) | 34.93 | 126.30 | 0 | 12724 |
| Koik-kol | city | Gyeongbuk | Korea, Republic of (South) | 36.70 | 129.02 | 1669 | 2872 |
| Koil | city | Gyeongbuk | Korea, Republic of (South) | 36.70 | 129.47 | 0 | 2577 |
| Koil | city | Gangwon | Korea, Republic of (South) | 37.35 | 128.20 | 1669 | 0 |
| Koil | city | Gangwon | Korea, Republic of (South) | 37.30 | 128.77 | 2572 | 2980 |
| Koil | city | Chungnam | Korea, Republic of (South) | 36.78 | 126.32 | 68 | 26827 |
| Koil | city | Chungbuk | Korea, Republic of (South) | 37.11 | 127.66 | 830 | 12059 |
| Koil-li | city | Gyeongbuk | Korea, Republic of (South) | 36.70 | 129.47 | 59 | 2792 |
| Koilch'i | city | Gangwon | Korea, Republic of (South) | 37.35 | 128.18 | 1669 | 0 |
| Koilch’i | city | Gangwon | Korea, Republic of (South) | 37.35 | 128.18 | 1669 | 0 |
| Koin | city | Jeonbuk | Korea, Republic of (South) | 35.94 | 127.30 | 898 | 8493 |
| Koin | city | Jeonbuk | Korea, Republic of (South) | 35.51 | 127.61 | 1669 | 6356 |
| Koin-dong | city | Jeonnam | Korea, Republic of (South) | 34.39 | 126.67 | 830 | 32269 |
| Koin-ri | city | Jeonbuk | Korea, Republic of (South) | 35.40 | 127.21 | 249 | 7368 |
| Koindol | city | Gangwon | Korea, Republic of (South) | 38.18 | 128.04 | 869 | 3386 |
| Koindol | city | Gangwon | Korea, Republic of (South) | 37.38 | 128.27 | 1719 | 430 |
| Koindol | city | Chungnam | Korea, Republic of (South) | 36.64 | 126.75 | 328 | 18820 |
| Koindol | city | Gyeonggi | Korea, Republic of (South) | 37.84 | 127.20 | 830 | 22303 |
| Koindol | city | Gangwon | Korea, Republic of (South) | 37.58 | 128.42 | 1722 | 1043 |
| Koindol | city | Gyeongnam | Korea, Republic of (South) | 35.78 | 127.89 | 898 | 3874 |
| Koip'o | city | Jeonbuk | Korea, Republic of (South) | 35.43 | 126.43 | 124 | 5117 |
| Koip’o | city | Jeonbuk | Korea, Republic of (South) | 35.43 | 126.43 | 124 | 5117 |