| Wheat Ridge to Reichenbach/Vogtland | 5,136.01 mi (8,265.61 km) |
| Wheat Ridge to Reinbek | 4,934.69 mi (7,941.61 km) |
| Wheat Ridge to Reinfeld | 4,926.47 mi (7,928.38 km) |
| Wheat Ridge to Reinheim | 5,063.19 mi (8,148.41 km) |
| Wheat Ridge to Reiskirchen | 5,027.02 mi (8,090.21 km) |
| Wheat Ridge to Rellingen | 4,915.06 mi (7,910.03 km) |
| Wheat Ridge to Remagen | 4,975.88 mi (8,007.91 km) |
| Wheat Ridge to Remscheid | 4,947.17 mi (7,961.71 km) |
| Wheat Ridge to Rendsburg | 4,880.27 mi (7,854.03 km) |
| Wheat Ridge to Renningen | 5,116.57 mi (8,234.32 km) |
| Wheat Ridge to Reutlingen | 5,139.34 mi (8,270.96 km) |
| Wheat Ridge to Rhaude | 4,867.82 mi (7,834.01 km) |
| Wheat Ridge to Rheda-Wiedenbruck | 4,952.19 mi (7,969.78 km) |
| Wheat Ridge to Rhede | 4,901.43 mi (7,888.08 km) |
| Wheat Ridge to Rheinau | 5,087.74 mi (8,187.93 km) |
