| Castricum to Karlskrona | 504.70 mi (812.24 km) |
| Castricum to Karlstad | 581.54 mi (935.89 km) |
| Castricum to Katrineholm | 630.42 mi (1,014.57 km) |
| Castricum to Kavlinge | 408.15 mi (656.85 km) |
| Castricum to Kinna | 466.87 mi (751.36 km) |
| Castricum to Kiruna | 1,177.66 mi (1,895.25 km) |
| Castricum to Klippansbruk | 420.87 mi (677.32 km) |
| Castricum to Koping | 648.33 mi (1,043.38 km) |
| Castricum to Kristianstad | 450.72 mi (725.37 km) |
| Castricum to Kristinehamn | 591.57 mi (952.04 km) |
| Castricum to Kumla | 607.56 mi (977.78 km) |
| Castricum to Kungalv | 466.12 mi (750.15 km) |
| Castricum to Kungsangen | 694.01 mi (1,116.91 km) |
| Castricum to Kungsbacka | 449.06 mi (722.70 km) |
| Castricum to Landskrona | 401.43 mi (646.03 km) |
