| Caerphilly to Rothenbach an der Pegnitz | 650.40 mi (1,046.72 km) |
| Caerphilly to Rothenburg ob der Tauber | 607.45 mi (977.59 km) |
| Caerphilly to Rottweil | 576.71 mi (928.13 km) |
| Caerphilly to Rudersberg | 592.35 mi (953.30 km) |
| Caerphilly to Rudesheim am Rhein | 498.82 mi (802.78 km) |
| Caerphilly to Rudolstadt | 632.20 mi (1,017.42 km) |
| Caerphilly to Runkel | 500.67 mi (805.75 km) |
| Caerphilly to Ruppichteroth | 465.72 mi (749.51 km) |
| Caerphilly to Russelsheim | 519.05 mi (835.34 km) |
| Caerphilly to Rutesheim | 570.17 mi (917.60 km) |
| Caerphilly to Ruthen | 502.40 mi (808.53 km) |
| Caerphilly to Saalfeld | 634.78 mi (1,021.58 km) |
| Caerphilly to Saarbrucken | 477.75 mi (768.86 km) |
| Caerphilly to Saarlouis | 465.11 mi (748.53 km) |
| Caerphilly to Saarwellingen | 466.37 mi (750.55 km) |
