| Castricum to Harstad | 1,187.62 mi (1,911.29 km) |
| Castricum to Haugesund | 477.11 mi (767.84 km) |
| Castricum to Helleland | 440.15 mi (708.35 km) |
| Castricum to Heum | 498.68 mi (802.55 km) |
| Castricum to Honefoss | 568.23 mi (914.48 km) |
| Castricum to Horten | 523.98 mi (843.26 km) |
| Castricum to Kaldsletta | 1,268.55 mi (2,041.54 km) |
| Castricum to Kirkenes | 1,434.48 mi (2,308.57 km) |
| Castricum to Kleppe | 431.77 mi (694.87 km) |
| Castricum to Kongsberg | 527.71 mi (849.26 km) |
| Castricum to Kongsvinger | 596.99 mi (960.76 km) |
| Castricum to Kopervik | 465.65 mi (749.39 km) |
| Castricum to Kosvik | 409.20 mi (658.54 km) |
| Castricum to Kragero | 473.93 mi (762.72 km) |
| Castricum to Kristiansand | 408.14 mi (656.83 km) |
