| Castricum to Rybnik | 622.18 mi (1,001.30 km) |
| Castricum to Ryki | 733.94 mi (1,181.17 km) |
| Castricum to Rypin | 617.37 mi (993.56 km) |
| Castricum to Rzeszow | 766.83 mi (1,234.09 km) |
| Castricum to Sandomierz | 742.33 mi (1,194.66 km) |
| Castricum to Sanok | 787.75 mi (1,267.76 km) |
| Castricum to Sedziszow Malopolski | 753.52 mi (1,212.67 km) |
| Castricum to Sepolno Krajenskie | 537.73 mi (865.39 km) |
| Castricum to Sidlice | 586.26 mi (943.50 km) |
| Castricum to Siechnice | 542.99 mi (873.86 km) |
| Castricum to Siedlce | 741.51 mi (1,193.34 km) |
| Castricum to Siemianowice Slaskie | 635.58 mi (1,022.87 km) |
| Castricum to Siemiatycze | 763.55 mi (1,228.82 km) |
| Castricum to Sieradz | 600.69 mi (966.72 km) |
| Castricum to Sierpc | 627.09 mi (1,009.20 km) |
