| Caerphilly to Reichenbach/Vogtland | 675.31 mi (1,086.81 km) |
| Caerphilly to Reinbek | 580.41 mi (934.07 km) |
| Caerphilly to Reinfeld | 593.33 mi (954.87 km) |
| Caerphilly to Reinheim | 540.28 mi (869.50 km) |
| Caerphilly to Reiskirchen | 526.74 mi (847.70 km) |
| Caerphilly to Rellingen | 564.37 mi (908.26 km) |
| Caerphilly to Remagen | 458.38 mi (737.68 km) |
| Caerphilly to Remscheid | 449.71 mi (723.74 km) |
| Caerphilly to Rendsburg | 567.55 mi (913.38 km) |
| Caerphilly to Renningen | 570.98 mi (918.91 km) |
| Caerphilly to Reutlingen | 590.95 mi (951.04 km) |
| Caerphilly to Rhaude | 466.81 mi (751.26 km) |
| Caerphilly to Rheda-Wiedenbruck | 492.95 mi (793.32 km) |
| Caerphilly to Rhede | 424.72 mi (683.53 km) |
| Caerphilly to Rheinau | 532.71 mi (857.32 km) |
