| Castalla to Ratingen | 950.43 mi (1,529.57 km) |
| Castalla to Ratzeburg | 1,174.70 mi (1,890.50 km) |
| Castalla to Raubling | 901.89 mi (1,451.45 km) |
| Castalla to Rauenberg | 870.96 mi (1,401.68 km) |
| Castalla to Raunheim | 907.28 mi (1,460.12 km) |
| Castalla to Ravensburg | 817.76 mi (1,316.05 km) |
| Castalla to Recke | 1,033.14 mi (1,662.67 km) |
| Castalla to Recklinghausen | 974.00 mi (1,567.50 km) |
| Castalla to Regen | 990.74 mi (1,594.45 km) |
| Castalla to Regensburg | 958.01 mi (1,541.76 km) |
| Castalla to Regenstauf | 964.61 mi (1,552.38 km) |
| Castalla to Rehau | 1,016.96 mi (1,636.64 km) |
| Castalla to Rehburg-Loccum | 1,067.74 mi (1,718.36 km) |
| Castalla to Rehlingen-Siersburg | 828.16 mi (1,332.80 km) |
| Castalla to Reichelsheim | 899.70 mi (1,447.92 km) |
