| Castellanza to Imatra | 1,340.03 mi (2,156.57 km) |
| Castellanza to Jakobstad | 1,356.91 mi (2,183.73 km) |
| Castellanza to Jamsa | 1,296.85 mi (2,087.08 km) |
| Castellanza to Janakkala | 1,234.22 mi (1,986.28 km) |
| Castellanza to Jarvenpaa | 1,219.97 mi (1,963.35 km) |
| Castellanza to Joensuu | 1,431.72 mi (2,304.13 km) |
| Castellanza to Joutseno | 1,330.81 mi (2,141.72 km) |
| Castellanza to Jyvaskyla | 1,328.41 mi (2,137.87 km) |
| Castellanza to Jyvaskylan Maalaiskunta | 1,330.98 mi (2,142.01 km) |
| Castellanza to Kaarina | 1,159.68 mi (1,866.33 km) |
| Castellanza to Kajaani | 1,474.51 mi (2,372.99 km) |
| Castellanza to Kalajoki | 1,411.88 mi (2,272.19 km) |
| Castellanza to Kangasala | 1,252.60 mi (2,015.87 km) |
| Castellanza to Kankaanpaa | 1,241.30 mi (1,997.67 km) |
| Castellanza to Karhula | 1,263.89 mi (2,034.04 km) |
