| Castricum to Imatra | 1,078.46 mi (1,735.61 km) |
| Castricum to Jakobstad | 1,004.40 mi (1,616.43 km) |
| Castricum to Jamsa | 994.32 mi (1,600.21 km) |
| Castricum to Janakkala | 946.37 mi (1,523.04 km) |
| Castricum to Jarvenpaa | 945.56 mi (1,521.74 km) |
| Castricum to Joensuu | 1,147.74 mi (1,847.11 km) |
| Castricum to Joutseno | 1,068.70 mi (1,719.90 km) |
| Castricum to Jyvaskyla | 1,023.18 mi (1,646.65 km) |
| Castricum to Jyvaskylan Maalaiskunta | 1,024.88 mi (1,649.38 km) |
| Castricum to Kaarina | 861.56 mi (1,386.55 km) |
| Castricum to Kajaani | 1,148.93 mi (1,849.02 km) |
| Castricum to Kalajoki | 1,060.21 mi (1,706.24 km) |
| Castricum to Kangasala | 948.53 mi (1,526.51 km) |
| Castricum to Kankaanpaa | 916.11 mi (1,474.34 km) |
| Castricum to Karhula | 1,003.71 mi (1,615.31 km) |
