| Castricum to Kamen | 143.52 mi (230.97 km) |
| Castricum to Kamenz | 411.43 mi (662.14 km) |
| Castricum to Kamp-Lintfort | 107.51 mi (173.03 km) |
| Castricum to Kandel | 284.81 mi (458.36 km) |
| Castricum to Kappeln | 260.39 mi (419.06 km) |
| Castricum to Karben | 238.50 mi (383.83 km) |
| Castricum to Karlsdorf-Neuthard | 290.15 mi (466.96 km) |
| Castricum to Karlsfeld | 423.20 mi (681.08 km) |
| Castricum to Karlsruhe | 294.04 mi (473.21 km) |
| Castricum to Kassel | 222.73 mi (358.45 km) |
| Castricum to Kaufbeuren | 416.19 mi (669.79 km) |
| Castricum to Kaufering | 412.58 mi (663.98 km) |
| Castricum to Kaufungen | 228.47 mi (367.68 km) |
| Castricum to Kehl | 307.93 mi (495.56 km) |
| Castricum to Kelheim | 402.37 mi (647.55 km) |
