| Clausthal-Zellerfeld to Racconigi | 501.26 mi (806.71 km) |
| Clausthal-Zellerfeld to Raffadali | 1,007.07 mi (1,620.72 km) |
| Clausthal-Zellerfeld to Ragusa | 1,050.28 mi (1,690.27 km) |
| Clausthal-Zellerfeld to Ramacca | 1,018.84 mi (1,639.67 km) |
| Clausthal-Zellerfeld to Randazzo | 987.59 mi (1,589.37 km) |
| Clausthal-Zellerfeld to Rapallo | 517.58 mi (832.97 km) |
| Clausthal-Zellerfeld to Ravanusa | 1,019.91 mi (1,641.39 km) |
| Clausthal-Zellerfeld to Ravenna | 517.68 mi (833.13 km) |
| Clausthal-Zellerfeld to Recanati | 599.57 mi (964.91 km) |
| Clausthal-Zellerfeld to Recco | 516.82 mi (831.75 km) |
| Clausthal-Zellerfeld to Reggello | 563.89 mi (907.49 km) |
| Clausthal-Zellerfeld to Reggio di Calabria | 980.30 mi (1,577.63 km) |
| Clausthal-Zellerfeld to Reggio Emilia | 491.10 mi (790.35 km) |
| Clausthal-Zellerfeld to Reggiolo | 476.44 mi (766.76 km) |
| Clausthal-Zellerfeld to Rende | 906.20 mi (1,458.39 km) |
