| Grande-Synthe to Lescar | 546.28 mi (879.16 km) |
| Grande-Synthe to Lesquin | 45.88 mi (73.83 km) |
| Grande-Synthe to Levallois-Perret | 146.40 mi (235.61 km) |
| Grande-Synthe to Lezignan-Corbieres | 540.27 mi (869.48 km) |
| Grande-Synthe to Libourne | 437.10 mi (703.44 km) |
| Grande-Synthe to Lieusaint | 164.92 mi (265.42 km) |
| Grande-Synthe to Lievin | 45.84 mi (73.77 km) |
| Grande-Synthe to Lille | 42.42 mi (68.26 km) |
| Grande-Synthe to Lillebonne | 129.30 mi (208.09 km) |
| Grande-Synthe to Lillers | 32.08 mi (51.63 km) |
| Grande-Synthe to Limay | 141.86 mi (228.30 km) |
| Grande-Synthe to Limeil-Brevannes | 156.89 mi (252.48 km) |
| Grande-Synthe to Limoges | 360.96 mi (580.91 km) |
| Grande-Synthe to Limoux | 549.79 mi (884.80 km) |
| Grande-Synthe to Lingolsheim | 293.84 mi (472.89 km) |
