| Duluth to Legionowo | 4,529.06 mi (7,288.82 km) |
| Duluth to Legnica | 4,444.57 mi (7,152.84 km) |
| Duluth to Leszno | 4,427.09 mi (7,124.72 km) |
| Duluth to Lezajsk | 4,682.44 mi (7,535.66 km) |
| Duluth to Libiaz | 4,596.54 mi (7,397.41 km) |
| Duluth to Lidzbark | 4,455.55 mi (7,170.52 km) |
| Duluth to Lidzbark Warminski | 4,435.37 mi (7,138.04 km) |
| Duluth to Limanowa | 4,650.60 mi (7,484.42 km) |
| Duluth to Lipno | 4,456.48 mi (7,172.01 km) |
| Duluth to Lobez | 4,313.12 mi (6,941.29 km) |
| Duluth to Lodz | 4,517.72 mi (7,270.56 km) |
| Duluth to Lomianki | 4,532.39 mi (7,294.17 km) |
| Duluth to Lomza | 4,524.49 mi (7,281.46 km) |
| Duluth to Lowicz | 4,516.02 mi (7,267.83 km) |
| Duluth to Lubaczow | 4,708.68 mi (7,577.89 km) |
