| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ramaslı | city | Sakarya | Turkey | 40.73 | 30.62 | 144 | 49645 |
| Resuldivanı | city | Sakarya | Turkey | 40.87 | 30.31 | 341 | 6143 |
| Resuller | city | Sakarya | Turkey | 41.10 | 30.53 | 229 | 5683 |
| Reşadiye | city | Sakarya | Turkey | 40.60 | 30.69 | 1669 | 5426 |
| Rustemler | city | Sakarya | Turkey | 40.87 | 30.47 | 131 | 18285 |
| Rüstemler | city | Sakarya | Turkey | 40.80 | 30.45 | 131 | 68112 |