| Seclin to Lormont | 424.94 mi (683.87 km) |
| Seclin to Loudeac | 307.33 mi (494.60 km) |
| Seclin to Lourdes | 534.97 mi (860.95 km) |
| Seclin to Louviers | 123.96 mi (199.50 km) |
| Seclin to Louvres | 106.54 mi (171.46 km) |
| Seclin to Luce | 161.80 mi (260.40 km) |
| Seclin to Lucon | 341.76 mi (550.01 km) |
| Seclin to Lunel | 477.59 mi (768.61 km) |
| Seclin to Luneville | 206.18 mi (331.82 km) |
| Seclin to Lyon | 341.18 mi (549.07 km) |
| Seclin to Lys-les-Lannoy | 11.75 mi (18.92 km) |
| Seclin to Macon | 304.49 mi (490.03 km) |
| Seclin to Magny-le-Hongre | 116.83 mi (188.03 km) |
| Seclin to Magny-les-Hameaux | 132.96 mi (213.97 km) |
| Seclin to Mainvilliers | 160.94 mi (259.00 km) |
