| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Reiganjima | city | Tokyo-to | Japan | 35.6833333 | 139.7833333 | 3 | 733224 |
| Renkoji | city | Tokyo-to | Japan | 35.6397222 | 139.4522222 | 311 | 790761 |
| Renkōji | city | Tokyo-to | Japan | 35.6397222 | 139.4522222 | 311 | 790761 |
| Roppongi | city | Tokyo-to | Japan | 35.65 | 139.7333333 | 39 | 738051 |
| Roppongicho | city | Tokyo-to | Japan | 35.65 | 139.7333333 | 39 | 738051 |
| Roppongichō | city | Tokyo-to | Japan | 35.65 | 139.7333333 | 39 | 738051 |
| Ryogoku | city | Tokyo-to | Japan | 35.6833333 | 139.8 | 3 | 696022 |
| Ryōgoku | city | Tokyo-to | Japan | 35.6833333 | 139.8 | 3 | 696022 |
|
|