| Castricum to Sevnica | 657.64 mi (1,058.37 km) |
| Castricum to Sezana | 629.06 mi (1,012.37 km) |
| Castricum to Skocjan | 662.44 mi (1,066.09 km) |
| Castricum to Skofja Loka | 617.50 mi (993.76 km) |
| Castricum to Skofljica | 635.66 mi (1,022.99 km) |
| Castricum to Slovenj Gradec | 625.18 mi (1,006.14 km) |
| Castricum to Slovenska Bistrica | 647.62 mi (1,042.25 km) |
| Castricum to Slovenske Konjice | 645.09 mi (1,038.18 km) |
| Castricum to Smarje | 653.71 mi (1,052.04 km) |
| Castricum to Smarjeske Toplice | 662.47 mi (1,066.14 km) |
| Castricum to Smartno | 641.09 mi (1,031.74 km) |
| Castricum to Smartno | 632.59 mi (1,018.06 km) |
| Castricum to Sodrazica | 649.20 mi (1,044.78 km) |
| Castricum to Solcava | 616.92 mi (992.83 km) |
| Castricum to Sostanj | 630.60 mi (1,014.85 km) |
