| Duluth to Lapua | 4,068.26 mi (6,547.24 km) |
| Duluth to Laukaa | 4,161.39 mi (6,697.11 km) |
| Duluth to Lauritsala | 4,280.90 mi (6,889.44 km) |
| Duluth to Lempaala | 4,165.08 mi (6,703.05 km) |
| Duluth to Leppavirta | 4,198.03 mi (6,756.08 km) |
| Duluth to Lieksa | 4,202.99 mi (6,764.06 km) |
| Duluth to Lieto | 4,173.51 mi (6,716.62 km) |
| Duluth to Liminka | 4,032.59 mi (6,489.82 km) |
| Duluth to Liperi | 4,230.16 mi (6,807.79 km) |
| Duluth to Lohja | 4,224.85 mi (6,799.23 km) |
| Duluth to Loimaa | 4,171.31 mi (6,713.08 km) |
| Duluth to Loviisa | 4,265.78 mi (6,865.10 km) |
| Duluth to Mantsala | 4,235.58 mi (6,816.50 km) |
| Duluth to Mariehamn | 4,130.04 mi (6,646.66 km) |
| Duluth to Masku | 4,161.58 mi (6,697.41 km) |
