| Grande-Synthe to Lisieux | 158.20 mi (254.59 km) |
| Grande-Synthe to Livron-sur-Drome | 446.92 mi (719.24 km) |
| Grande-Synthe to Livry-Gargan | 145.10 mi (233.52 km) |
| Grande-Synthe to Lognes | 151.16 mi (243.27 km) |
| Grande-Synthe to Lomme | 39.26 mi (63.18 km) |
| Grande-Synthe to Longjumeau | 160.27 mi (257.93 km) |
| Grande-Synthe to Longuenesse | 19.44 mi (31.29 km) |
| Grande-Synthe to Longvic | 286.04 mi (460.33 km) |
| Grande-Synthe to Longwy | 184.31 mi (296.61 km) |
| Grande-Synthe to Lons | 546.90 mi (880.15 km) |
| Grande-Synthe to Lons-le-Saunier | 334.21 mi (537.86 km) |
| Grande-Synthe to Loos | 41.63 mi (67.00 km) |
| Grande-Synthe to Lorgues | 553.16 mi (890.23 km) |
| Grande-Synthe to Lorient | 340.03 mi (547.22 km) |
| Grande-Synthe to Lormont | 443.48 mi (713.71 km) |
