| Castel San Giovanni to Lapua | 1,348.79 mi (2,170.67 km) |
| Castel San Giovanni to Laukaa | 1,367.64 mi (2,201.01 km) |
| Castel San Giovanni to Lauritsala | 1,344.51 mi (2,163.78 km) |
| Castel San Giovanni to Lempaala | 1,264.26 mi (2,034.63 km) |
| Castel San Giovanni to Leppavirta | 1,407.91 mi (2,265.81 km) |
| Castel San Giovanni to Lieksa | 1,496.94 mi (2,409.10 km) |
| Castel San Giovanni to Lieto | 1,193.13 mi (1,920.16 km) |
| Castel San Giovanni to Liminka | 1,495.37 mi (2,406.56 km) |
| Castel San Giovanni to Liperi | 1,443.54 mi (2,323.16 km) |
| Castel San Giovanni to Lohja | 1,210.08 mi (1,947.44 km) |
| Castel San Giovanni to Loimaa | 1,224.62 mi (1,970.83 km) |
| Castel San Giovanni to Loviisa | 1,267.38 mi (2,039.65 km) |
| Castel San Giovanni to Mantsala | 1,256.96 mi (2,022.89 km) |
| Castel San Giovanni to Mariehamn | 1,126.26 mi (1,812.54 km) |
| Castel San Giovanni to Masku | 1,190.99 mi (1,916.72 km) |
