| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Rei-ri | city | Gyeongnam | Korea, Republic of (South) | 35.43 | 128.55 | 291 | 14006 |
| Reian | city | Gyeongbuk | Korea, Republic of (South) | 36.70 | 128.81 | 830 | 3427 |
| Reibi-ri | city | Gangwon | Korea, Republic of (South) | 37.22 | 128.65 | 1784 | 20459 |
| Reigan | city | Jeonnam | Korea, Republic of (South) | 34.80 | 126.70 | 55 | 13732 |
| Reika-ri | city | Chungnam | Korea, Republic of (South) | 36.75 | 126.78 | 36 | 15226 |
| Reiko | city | Jeonnam | Korea, Republic of (South) | 35.27 | 126.51 | 137 | 28536 |
| Reikō | city | Chungnam | Korea, Republic of (South) | 36.40 | 126.43 | 0 | 2610 |
| Reiri-dō | city | Gyeongbuk | Korea, Republic of (South) | 35.64 | 128.66 | 830 | 7750 |
| Reisan | city | Jeonbuk | Korea, Republic of (South) | 36.06 | 127.08 | 82 | 19635 |
| Reisan | city | Gyeongnam | Korea, Republic of (South) | 35.45 | 128.52 | 91 | 14006 |
| Reisan | city | Chungnam | Korea, Republic of (South) | 36.68 | 126.84 | 232 | 55508 |
| Reisen | city | Jeonnam | Korea, Republic of (South) | 35.31 | 126.80 | 383 | 8921 |
| Reisen | city | Gyeongbuk | Korea, Republic of (South) | 36.66 | 128.46 | 344 | 24712 |
| Reisen-ri | city | Jeonnam | Korea, Republic of (South) | 35.31 | 126.80 | 383 | 8921 |
| Reishu | city | Gyeonggi | Korea, Republic of (South) | 37.30 | 127.63 | 177 | 39460 |
| Reishō-ri | city | Jeonnam | Korea, Republic of (South) | 34.14 | 126.56 | 3 | 3405 |
| Reisui | city | Jeonnam | Korea, Republic of (South) | 34.74 | 127.74 | 3 | 51180 |
| Reitei-ri | city | Jeonnam | Korea, Republic of (South) | 34.63 | 126.46 | 26 | 3632 |
| Reito-ri | city | Gyeonggi | Korea, Republic of (South) | 37.48 | 127.37 | 830 | 9187 |
| Reizan | city | Jeonbuk | Korea, Republic of (South) | 36.06 | 127.08 | 82 | 19635 |
| Reizan | city | Chungnam | Korea, Republic of (South) | 36.68 | 126.84 | 232 | 55508 |
| Reizui-ri | city | Jeonnam | Korea, Republic of (South) | 33.98 | 126.93 | 295 | 2910 |
| Ren-do | city | Jeonnam | Korea, Republic of (South) | 34.89 | 126.99 | 830 | 8494 |
| Ren-dō | city | Jeonnam | Korea, Republic of (South) | 34.47 | 126.93 | 0 | 5130 |
| Renchi-ri | city | Jeonnam | Korea, Republic of (South) | 34.51 | 126.90 | 6 | 9406 |
| Rendo-ri | city | Jeonnam | Korea, Republic of (South) | 34.38 | 126.16 | 121 | 6678 |
| Renkoku-ri | city | Jeonnam | Korea, Republic of (South) | 34.52 | 126.50 | 26 | 5177 |
| Rensei-ri | city | Jeonnam | Korea, Republic of (South) | 34.50 | 126.50 | 59 | 5705 |
| Rensen | city | Gyeonggi | Korea, Republic of (South) | 38.10 | 127.08 | 154 | 8195 |
| Renshu-ri | city | Jeonnam | Korea, Republic of (South) | 34.43 | 126.32 | 55 | 7261 |
| Rentan-ri | city | Chungbuk | Korea, Republic of (South) | 36.78 | 127.57 | 144 | 16915 |
| Rentei-ri | city | Jeonnam | Korea, Republic of (South) | 34.52 | 126.90 | 157 | 9567 |
| Rentō-ri | city | Jeonnam | Korea, Republic of (South) | 34.57 | 126.42 | 29 | 4614 |