| Seclin to Lingolsheim | 249.79 mi (402.00 km) |
| Seclin to Lisieux | 157.74 mi (253.86 km) |
| Seclin to Livron-sur-Drome | 407.84 mi (656.36 km) |
| Seclin to Livry-Gargan | 114.69 mi (184.58 km) |
| Seclin to Lognes | 119.66 mi (192.57 km) |
| Seclin to Lomme | 6.96 mi (11.20 km) |
| Seclin to Longjumeau | 132.24 mi (212.82 km) |
| Seclin to Longuenesse | 37.05 mi (59.62 km) |
| Seclin to Longvic | 243.45 mi (391.80 km) |
| Seclin to Longwy | 140.50 mi (226.11 km) |
| Seclin to Lons | 525.32 mi (845.42 km) |
| Seclin to Lons-le-Saunier | 291.40 mi (468.97 km) |
| Seclin to Loos | 4.50 mi (7.25 km) |
| Seclin to Lorgues | 511.95 mi (823.91 km) |
| Seclin to Lorient | 347.32 mi (558.96 km) |
