| Castano Primo to Ratingen | 406.85 mi (654.76 km) |
| Castano Primo to Ratzeburg | 570.00 mi (917.33 km) |
| Castano Primo to Raubling | 221.23 mi (356.03 km) |
| Castano Primo to Rauenberg | 256.89 mi (413.43 km) |
| Castano Primo to Raunheim | 308.97 mi (497.24 km) |
| Castano Primo to Ravensburg | 159.40 mi (256.53 km) |
| Castano Primo to Recke | 473.59 mi (762.18 km) |
| Castano Primo to Recklinghausen | 423.36 mi (681.33 km) |
| Castano Primo to Regen | 312.40 mi (502.75 km) |
| Castano Primo to Regensburg | 285.48 mi (459.44 km) |
| Castano Primo to Regenstauf | 292.75 mi (471.13 km) |
| Castano Primo to Rehau | 357.85 mi (575.90 km) |
| Castano Primo to Rehburg-Loccum | 477.22 mi (768.00 km) |
| Castano Primo to Rehlingen-Siersburg | 281.26 mi (452.65 km) |
| Castano Primo to Reichelsheim | 287.79 mi (463.15 km) |
