| Castricum to Jicin | 481.75 mi (775.30 km) |
| Castricum to Jihlava | 522.00 mi (840.08 km) |
| Castricum to Jindrichuv Hradec | 507.98 mi (817.52 km) |
| Castricum to Jirkov | 402.86 mi (648.35 km) |
| Castricum to Kadan | 399.38 mi (642.74 km) |
| Castricum to Karlovy Vary | 388.10 mi (624.59 km) |
| Castricum to Karvina | 627.79 mi (1,010.33 km) |
| Castricum to Kladno | 439.14 mi (706.72 km) |
| Castricum to Klasterec nad Ohri | 395.15 mi (635.93 km) |
| Castricum to Klatovy | 433.67 mi (697.92 km) |
| Castricum to Kolin | 486.83 mi (783.47 km) |
| Castricum to Koprivnice | 618.49 mi (995.36 km) |
| Castricum to Kralupy nad Vltavou | 444.92 mi (716.02 km) |
| Castricum to Kraluv Dvur | 442.75 mi (712.53 km) |
| Castricum to Krnov | 586.88 mi (944.50 km) |
