| Castel San Giorgio to Ratingen | 817.27 mi (1,315.28 km) |
| Castel San Giorgio to Ratzeburg | 911.12 mi (1,466.31 km) |
| Castel San Giorgio to Raubling | 500.64 mi (805.70 km) |
| Castel San Giorgio to Rauenberg | 654.78 mi (1,053.77 km) |
| Castel San Giorgio to Raunheim | 705.75 mi (1,135.79 km) |
| Castel San Giorgio to Ravensburg | 544.92 mi (876.96 km) |
| Castel San Giorgio to Recke | 865.52 mi (1,392.92 km) |
| Castel San Giorgio to Recklinghausen | 827.82 mi (1,332.25 km) |
| Castel San Giorgio to Regen | 570.56 mi (918.23 km) |
| Castel San Giorgio to Regensburg | 583.01 mi (938.27 km) |
| Castel San Giorgio to Regenstauf | 589.72 mi (949.07 km) |
| Castel San Giorgio to Rehau | 666.74 mi (1,073.02 km) |
| Castel San Giorgio to Rehburg-Loccum | 846.61 mi (1,362.49 km) |
| Castel San Giorgio to Rehlingen-Siersburg | 709.77 mi (1,142.26 km) |
| Castel San Giorgio to Reichelsheim | 679.26 mi (1,093.16 km) |
