| Siano to Lapua | 1,569.12 mi (2,525.26 km) |
| Siano to Laukaa | 1,564.25 mi (2,517.42 km) |
| Siano to Lauritsala | 1,512.83 mi (2,434.66 km) |
| Siano to Lempaala | 1,467.70 mi (2,362.03 km) |
| Siano to Leppavirta | 1,593.11 mi (2,563.86 km) |
| Siano to Lieksa | 1,676.09 mi (2,697.41 km) |
| Siano to Lieto | 1,400.46 mi (2,253.82 km) |
| Siano to Liminka | 1,712.56 mi (2,756.09 km) |
| Siano to Liperi | 1,619.09 mi (2,605.68 km) |
| Siano to Lohja | 1,402.09 mi (2,256.45 km) |
| Siano to Loimaa | 1,429.75 mi (2,300.96 km) |
| Siano to Loviisa | 1,444.24 mi (2,324.29 km) |
| Siano to Mantsala | 1,442.56 mi (2,321.58 km) |
| Siano to Mariehamn | 1,352.08 mi (2,175.97 km) |
| Siano to Masku | 1,401.72 mi (2,255.85 km) |
