| Castellanza to Klaukkala | 1,207.56 mi (1,943.38 km) |
| Castellanza to Kokkola | 1,373.71 mi (2,210.77 km) |
| Castellanza to Kontiolahti | 1,442.14 mi (2,320.90 km) |
| Castellanza to Korsholm | 1,308.06 mi (2,105.12 km) |
| Castellanza to Kotka | 1,261.60 mi (2,030.35 km) |
| Castellanza to Kouvola | 1,276.36 mi (2,054.11 km) |
| Castellanza to Kuhmo | 1,503.64 mi (2,419.88 km) |
| Castellanza to Kuopio | 1,402.22 mi (2,256.66 km) |
| Castellanza to Kurikka | 1,289.50 mi (2,075.25 km) |
| Castellanza to Kuusamo | 1,595.05 mi (2,566.98 km) |
| Castellanza to Kuusankoski | 1,276.59 mi (2,054.48 km) |
| Castellanza to Lahti | 1,258.98 mi (2,026.14 km) |
| Castellanza to Laitila | 1,175.28 mi (1,891.44 km) |
| Castellanza to Lapinlahti | 1,421.50 mi (2,287.68 km) |
| Castellanza to Lappeenranta | 1,320.53 mi (2,125.19 km) |
