| Clayton to Ratingen | 402.07 mi (647.07 km) |
| Clayton to Ratzeburg | 512.76 mi (825.21 km) |
| Clayton to Raubling | 733.63 mi (1,180.66 km) |
| Clayton to Rauenberg | 548.38 mi (882.54 km) |
| Clayton to Raunheim | 508.36 mi (818.12 km) |
| Clayton to Ravensburg | 647.42 mi (1,041.92 km) |
| Clayton to Recke | 407.18 mi (655.29 km) |
| Clayton to Recklinghausen | 405.07 mi (651.90 km) |
| Clayton to Regen | 723.49 mi (1,164.35 km) |
| Clayton to Regensburg | 681.91 mi (1,097.43 km) |
| Clayton to Regenstauf | 679.49 mi (1,093.54 km) |
| Clayton to Rehau | 635.39 mi (1,022.57 km) |
| Clayton to Rehburg-Loccum | 465.70 mi (749.47 km) |
| Clayton to Rehlingen-Siersburg | 474.80 mi (764.11 km) |
| Clayton to Reichelsheim | 534.56 mi (860.29 km) |
