| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Reishu | city | Kyonggi-do | Korea, Republic of (South) | 37.2938889 | 127.6377778 | 219 | 87790 |
| Reishū | city | Kyonggi-do | Korea, Republic of (South) | 37.2938889 | 127.6377778 | 219 | 87790 |
| Rensen | city | Kyonggi-do | Korea, Republic of (South) | 38.0941667 | 127.0763889 | 147 | 74876 |
| Riho-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.3916667 | 127.535 | 114 | 90378 |
| Risen | city | Kyonggi-do | Korea, Republic of (South) | 37.2791667 | 127.4425 | 209 | 90531 |
| Rishu | city | Kyonggi-do | Korea, Republic of (South) | 37.2938889 | 127.6377778 | 219 | 87790 |
| Rishū | city | Kyonggi-do | Korea, Republic of (South) | 37.2938889 | 127.6377778 | 219 | 87790 |
| Ritsu-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.5333333 | 127.6833333 | 318 | 78966 |
| Ronnanki | city | Kyonggi-do | Korea, Republic of (South) | 37.9666667 | 127.4166667 | 1377 | 76298 |
| Ryujin | city | Kyonggi-do | Korea, Republic of (South) | 37.2361111 | 127.2011111 | 413 | 90578 |
| Ryuto-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.55 | 127.7 | 360 | 49970 |
| Ryūjin | city | Kyonggi-do | Korea, Republic of (South) | 37.2361111 | 127.2011111 | 413 | 90578 |
| Ryūtō-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.55 | 127.7 | 360 | 49970 |