| Grande-Synthe to Legnica | 600.36 mi (966.19 km) |
| Grande-Synthe to Leszno | 616.73 mi (992.54 km) |
| Grande-Synthe to Lezajsk | 880.84 mi (1,417.57 km) |
| Grande-Synthe to Libiaz | 747.82 mi (1,203.51 km) |
| Grande-Synthe to Lidzbark | 756.90 mi (1,218.12 km) |
| Grande-Synthe to Lidzbark Warminski | 794.59 mi (1,278.77 km) |
| Grande-Synthe to Limanowa | 802.00 mi (1,290.70 km) |
| Grande-Synthe to Lipno | 727.80 mi (1,171.28 km) |
| Grande-Synthe to Lobez | 589.62 mi (948.90 km) |
| Grande-Synthe to Lodz | 739.58 mi (1,190.24 km) |
| Grande-Synthe to Lomianki | 799.09 mi (1,286.01 km) |
| Grande-Synthe to Lomza | 849.55 mi (1,367.21 km) |
| Grande-Synthe to Lowicz | 759.18 mi (1,221.79 km) |
| Grande-Synthe to Lubaczow | 912.06 mi (1,467.81 km) |
| Grande-Synthe to Luban | 563.17 mi (906.33 km) |
