| Dumbarton to Reichenbach/Vogtland | 785.32 mi (1,263.85 km) |
| Dumbarton to Reinbek | 613.31 mi (987.03 km) |
| Dumbarton to Reinfeld | 614.32 mi (988.64 km) |
| Dumbarton to Reinheim | 698.70 mi (1,124.44 km) |
| Dumbarton to Reiskirchen | 663.95 mi (1,068.53 km) |
| Dumbarton to Rellingen | 593.26 mi (954.76 km) |
| Dumbarton to Remagen | 611.38 mi (983.91 km) |
| Dumbarton to Remscheid | 583.26 mi (938.66 km) |
| Dumbarton to Rendsburg | 572.66 mi (921.61 km) |
| Dumbarton to Renningen | 753.29 mi (1,212.30 km) |
| Dumbarton to Reutlingen | 776.33 mi (1,249.38 km) |
| Dumbarton to Rhaude | 521.30 mi (838.95 km) |
| Dumbarton to Rheda-Wiedenbruck | 594.52 mi (956.79 km) |
| Dumbarton to Rhede | 538.83 mi (867.16 km) |
| Dumbarton to Rheinau | 727.40 mi (1,170.63 km) |
