| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| 고내 | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 38.00 | 125.18 | 22 | 19103 |
| 고내 | city | Jeonnam | Korea, Republic of (South) | 34.80 | 127.23 | 32 | 5790 |
| 고내 | city | Jeonnam | Korea, Republic of (South) | 35.24 | 126.86 | 55 | 126066 |
| 고내 | city | Jeonnam | Korea, Republic of (South) | 35.35 | 126.95 | 206 | 11685 |
| 고내곡 | city | Gyeongbuk | Korea, Republic of (South) | 36.02 | 129.01 | 830 | 17025 |
| 고내골 | city | Chungbuk | Korea, Republic of (South) | 37.04 | 128.39 | 830 | 5039 |
| 고내골 | city | Daejeon | Korea, Republic of (South) | 36.39 | 127.35 | 170 | 86348 |