| Castano Primo to Rybnik | 550.79 mi (886.41 km) |
| Castano Primo to Ryki | 732.24 mi (1,178.42 km) |
| Castano Primo to Rypin | 706.59 mi (1,137.15 km) |
| Castano Primo to Rzeszow | 686.64 mi (1,105.04 km) |
| Castano Primo to Sandomierz | 694.61 mi (1,117.86 km) |
| Castano Primo to Sanok | 684.17 mi (1,101.06 km) |
| Castano Primo to Sedziszow Malopolski | 675.18 mi (1,086.60 km) |
| Castano Primo to Sepolno Krajenskie | 671.67 mi (1,080.95 km) |
| Castano Primo to Sidlice | 747.66 mi (1,203.23 km) |
| Castano Primo to Siechnice | 540.02 mi (869.08 km) |
| Castano Primo to Siedlce | 763.36 mi (1,228.52 km) |
| Castano Primo to Siemianowice Slaskie | 574.16 mi (924.02 km) |
| Castano Primo to Siemiatycze | 794.12 mi (1,278.01 km) |
| Castano Primo to Sieradz | 617.89 mi (994.40 km) |
| Castano Primo to Sierpc | 704.73 mi (1,134.16 km) |
