| Castellanza to Racconigi | 83.42 mi (134.25 km) |
| Castellanza to Raffadali | 615.69 mi (990.86 km) |
| Castellanza to Ragusa | 672.09 mi (1,081.63 km) |
| Castellanza to Ramacca | 642.76 mi (1,034.43 km) |
| Castellanza to Randazzo | 618.24 mi (994.96 km) |
| Castellanza to Rapallo | 89.02 mi (143.27 km) |
| Castellanza to Ravanusa | 633.47 mi (1,019.47 km) |
| Castellanza to Ravenna | 181.33 mi (291.82 km) |
| Castellanza to Recanati | 275.53 mi (443.42 km) |
| Castellanza to Recco | 87.23 mi (140.38 km) |
| Castellanza to Reggello | 185.99 mi (299.32 km) |
| Castellanza to Reggio di Calabria | 623.44 mi (1,003.33 km) |
| Castellanza to Reggio Emilia | 105.56 mi (169.88 km) |
| Castellanza to Reggiolo | 105.00 mi (168.99 km) |
| Castellanza to Rende | 570.68 mi (918.42 km) |
