| Castaic to Rothenbach an der Pegnitz | 5,873.36 mi (9,452.26 km) |
| Castaic to Rothenburg ob der Tauber | 5,848.14 mi (9,411.67 km) |
| Castaic to Rottweil | 5,865.53 mi (9,439.66 km) |
| Castaic to Rudersberg | 5,855.13 mi (9,422.93 km) |
| Castaic to Rudesheim am Rhein | 5,750.79 mi (9,255.01 km) |
| Castaic to Rudolstadt | 5,809.85 mi (9,350.05 km) |
| Castaic to Runkel | 5,735.65 mi (9,230.64 km) |
| Castaic to Ruppichteroth | 5,693.48 mi (9,162.78 km) |
| Castaic to Russelsheim | 5,764.40 mi (9,276.90 km) |
| Castaic to Rutesheim | 5,841.78 mi (9,401.43 km) |
| Castaic to Ruthen | 5,688.94 mi (9,155.47 km) |
| Castaic to Saalfeld | 5,814.51 mi (9,357.55 km) |
| Castaic to Saarbrucken | 5,761.29 mi (9,271.90 km) |
| Castaic to Saarlouis | 5,749.43 mi (9,252.81 km) |
| Castaic to Saarwellingen | 5,749.19 mi (9,252.44 km) |
