| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Roin-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.55 | 126.0761111 | 157 | 6630 |
| Rojo | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.2763889 | 127.1283333 | 108 | 26853 |
| Rojo-ri | city | Cholla-bukto | Korea, Republic of (South) | 35.8980556 | 127.5466667 | 948 | 28168 |
| Rojō | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.2763889 | 127.1283333 | 108 | 26853 |
| Rojō-ri | city | Cholla-bukto | Korea, Republic of (South) | 35.8980556 | 127.5466667 | 948 | 28168 |
| Roka-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.6319444 | 126.5486111 | 39 | 15380 |
| Rokichi-ri | city | | Korea, Republic of (South) | 35.7833333 | 126.7166667 | 16 | 21151 |
| Roko-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.6583333 | 127.4672222 | 160 | 8951 |
| Rokotsu-do | city | Kyongsang-bukto | Korea, Republic of (South) | 36.45 | 129.4333333 | 0 | 7385 |
| Rokuin-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.6 | 126.9333333 | 196 | 20204 |
| Rokusan-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8333333 | 128.5 | 26 | 20422 |
| Rokushin-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.5666667 | 126.3 | 0 | 14610 |
| Rokuto | city | | Korea, Republic of (South) | 34.5333333 | 127.1333333 | 16 | 10272 |
| Rokutō | city | | Korea, Republic of (South) | 34.5333333 | 127.1333333 | 16 | 10272 |
| Ronnanki | city | Kyonggi-do | Korea, Republic of (South) | 37.9666667 | 127.4166667 | 1377 | 76298 |
| Ronsan | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.2038889 | 127.0847222 | 6 | 26917 |
| Ronzan | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.2038889 | 127.0847222 | 6 | 26917 |
| Roryori | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9497222 | 127.8619444 | 3 | 26364 |
| Roryoshi | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9497222 | 127.8619444 | 3 | 26364 |
| Roryoshin | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9333333 | 196 | 1852178 |
| Roryoshin | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9497222 | 127.8619444 | 3 | 26364 |
| Roryoshincho | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9333333 | 196 | 1852178 |
| Roryōri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9497222 | 127.8619444 | 3 | 26364 |
| Roryōshi | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9497222 | 127.8619444 | 3 | 26364 |
| Roryōshin | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9333333 | 196 | 1852178 |
| Roryōshin | city | Kyongsang-namdo | Korea, Republic of (South) | 34.9497222 | 127.8619444 | 3 | 26364 |
| Roryōshinchō | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5 | 126.9333333 | 196 | 1852178 |
| Rosho-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.6166667 | 126.5166667 | 36 | 14722 |
| Roto-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.5666667 | 126.05 | 0 | 6630 |
| Rotō-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.5666667 | 126.05 | 0 | 6630 |