| Castle Rock to Reichenbach/Vogtland | 5,150.45 mi (8,288.84 km) |
| Castle Rock to Reinbek | 4,949.72 mi (7,965.80 km) |
| Castle Rock to Reinfeld | 4,941.66 mi (7,952.83 km) |
| Castle Rock to Reinheim | 5,076.59 mi (8,169.99 km) |
| Castle Rock to Reiskirchen | 5,040.71 mi (8,112.24 km) |
| Castle Rock to Rellingen | 4,930.06 mi (7,934.17 km) |
| Castle Rock to Remagen | 4,989.22 mi (8,029.38 km) |
| Castle Rock to Remscheid | 4,960.74 mi (7,983.53 km) |
| Castle Rock to Rendsburg | 4,895.47 mi (7,878.50 km) |
| Castle Rock to Renningen | 5,129.61 mi (8,255.31 km) |
| Castle Rock to Reutlingen | 5,152.33 mi (8,291.88 km) |
| Castle Rock to Rhaude | 4,882.20 mi (7,857.15 km) |
| Castle Rock to Rheda-Wiedenbruck | 4,966.22 mi (7,992.36 km) |
| Castle Rock to Rhede | 4,915.13 mi (7,910.14 km) |
| Castle Rock to Rheinau | 5,100.52 mi (8,208.49 km) |
