| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Rojo | city | Chungnam | Korea, Republic of (South) | 36.27 | 127.13 | 95 | 16305 |
| Rojō-ri | city | Jeonbuk | Korea, Republic of (South) | 35.89 | 127.57 | 1669 | 4602 |
| Roka-ri | city | Jeonnam | Korea, Republic of (South) | 34.64 | 126.56 | 22 | 7141 |
| Rokichi-ri | city | Korea, Republic of (South) | 35.78 | 126.72 | 16 | 14214 | |
| Roko-ri | city | Jeonnam | Korea, Republic of (South) | 34.66 | 127.47 | 160 | 4540 |
| Rokoku-ri | city | Gangwon | Korea, Republic of (South) | 37.20 | 129.33 | 252 | 0 |
| Rokotsu-do | city | Gyeongbuk | Korea, Republic of (South) | 36.45 | 129.43 | 0 | 13140 |
| Rokuden-ri | city | Gangwon | Korea, Republic of (South) | 37.15 | 128.69 | 1669 | 9417 |
| Rokuin-ri | city | Jeonnam | Korea, Republic of (South) | 34.60 | 126.93 | 196 | 9591 |
| Rokusan-ri | city | Gyeongnam | Korea, Republic of (South) | 34.83 | 128.50 | 26 | 25983 |
| Rokushin-ri | city | Jeonnam | Korea, Republic of (South) | 34.57 | 126.30 | 0 | 6263 |
| Rokutō | city | Jeonnam | Korea, Republic of (South) | 34.53 | 127.15 | 0 | 5977 |
| Rokyo | city | Korea, Republic of (South) | 34.85 | 127.35 | 39 | 53174 | |
| Ronnanki | city | Gyeonggi | Korea, Republic of (South) | 37.97 | 127.42 | 1669 | 3756 |
| Ronsan | city | Chungnam | Korea, Republic of (South) | 36.20 | 127.08 | 6 | 58893 |
| Ronzan | city | Chungnam | Korea, Republic of (South) | 36.20 | 127.08 | 6 | 58893 |
| Roryōri | city | Gyeongnam | Korea, Republic of (South) | 34.95 | 127.86 | 3 | 17663 |
| Roryōshi | city | Gyeongnam | Korea, Republic of (South) | 34.95 | 127.86 | 3 | 17663 |
| Roryōshin | city | Gyeongnam | Korea, Republic of (South) | 34.95 | 127.86 | 3 | 17663 |
| Rosui-ri | city | Jeonnam | Korea, Republic of (South) | 34.66 | 126.61 | 68 | 10288 |
| Rotō-ri | city | Jeonnam | Korea, Republic of (South) | 34.57 | 126.05 | 0 | 5308 |