| Siemianowice Slaskie to Lapua | 889.88 mi (1,432.13 km) |
| Siemianowice Slaskie to Laukaa | 879.00 mi (1,414.62 km) |
| Siemianowice Slaskie to Lauritsala | 826.92 mi (1,330.80 km) |
| Siemianowice Slaskie to Lempaala | 784.46 mi (1,262.46 km) |
| Siemianowice Slaskie to Leppavirta | 906.78 mi (1,459.32 km) |
| Siemianowice Slaskie to Lieksa | 989.78 mi (1,592.89 km) |
| Siemianowice Slaskie to Lieto | 719.13 mi (1,157.33 km) |
| Siemianowice Slaskie to Liminka | 1,030.76 mi (1,658.84 km) |
| Siemianowice Slaskie to Liperi | 932.88 mi (1,501.32 km) |
| Siemianowice Slaskie to Lohja | 717.07 mi (1,154.02 km) |
| Siemianowice Slaskie to Loimaa | 747.37 mi (1,202.78 km) |
| Siemianowice Slaskie to Loviisa | 757.85 mi (1,219.64 km) |
| Siemianowice Slaskie to Mantsala | 756.55 mi (1,217.55 km) |
| Siemianowice Slaskie to Mariehamn | 679.80 mi (1,094.03 km) |
| Siemianowice Slaskie to Masku | 721.52 mi (1,161.17 km) |
