| Caerphilly to Rheinbach | 445.54 mi (717.03 km) |
| Caerphilly to Rheinberg | 421.42 mi (678.22 km) |
| Caerphilly to Rheine | 455.98 mi (733.82 km) |
| Caerphilly to Rheinfelden (Baden) | 565.21 mi (909.61 km) |
| Caerphilly to Ribnitz-Damgarten | 677.46 mi (1,090.26 km) |
| Caerphilly to Richterich | 405.07 mi (651.90 km) |
| Caerphilly to Riedlingen | 611.64 mi (984.34 km) |
| Caerphilly to Riegelsberg | 473.48 mi (762.00 km) |
| Caerphilly to Rielasingen-Worblingen | 600.19 mi (965.91 km) |
| Caerphilly to Riesa | 709.82 mi (1,142.35 km) |
| Caerphilly to Rietberg | 498.76 mi (802.68 km) |
| Caerphilly to Rinteln | 525.61 mi (845.89 km) |
| Caerphilly to Ritterhude | 516.49 mi (831.21 km) |
| Caerphilly to Rodenbach | 542.62 mi (873.27 km) |
| Caerphilly to Rodental | 627.42 mi (1,009.73 km) |
