| Castenaso to Ratingen | 515.42 mi (829.48 km) |
| Castenaso to Ratzeburg | 635.82 mi (1,023.25 km) |
| Castenaso to Raubling | 228.54 mi (367.80 km) |
| Castenaso to Rauenberg | 353.70 mi (569.23 km) |
| Castenaso to Raunheim | 405.91 mi (653.25 km) |
| Castenaso to Ravensburg | 243.03 mi (391.12 km) |
| Castenaso to Recke | 569.47 mi (916.47 km) |
| Castenaso to Recklinghausen | 527.58 mi (849.06 km) |
| Castenaso to Regen | 317.83 mi (511.50 km) |
| Castenaso to Regensburg | 312.75 mi (503.32 km) |
| Castenaso to Regenstauf | 320.30 mi (515.47 km) |
| Castenaso to Rehau | 397.44 mi (639.61 km) |
| Castenaso to Rehburg-Loccum | 558.30 mi (898.50 km) |
| Castenaso to Rehlingen-Siersburg | 404.55 mi (651.06 km) |
| Castenaso to Reichelsheim | 380.26 mi (611.98 km) |
