| Castellanza to Lapua | 1,320.33 mi (2,124.86 km) |
| Castellanza to Laukaa | 1,342.05 mi (2,159.82 km) |
| Castellanza to Lauritsala | 1,322.54 mi (2,128.42 km) |
| Castellanza to Lempaala | 1,238.26 mi (1,992.78 km) |
| Castellanza to Leppavirta | 1,383.57 mi (2,226.64 km) |
| Castellanza to Lieksa | 1,473.01 mi (2,370.59 km) |
| Castellanza to Lieto | 1,166.98 mi (1,878.08 km) |
| Castellanza to Liminka | 1,466.79 mi (2,360.57 km) |
| Castellanza to Liperi | 1,420.25 mi (2,285.68 km) |
| Castellanza to Lohja | 1,185.79 mi (1,908.35 km) |
| Castellanza to Loimaa | 1,198.59 mi (1,928.94 km) |
| Castellanza to Loviisa | 1,244.71 mi (2,003.16 km) |
| Castellanza to Mantsala | 1,233.25 mi (1,984.72 km) |
| Castellanza to Mariehamn | 1,098.08 mi (1,767.20 km) |
| Castellanza to Masku | 1,164.42 mi (1,873.95 km) |
