| Seclin to La Riche | 243.25 mi (391.48 km) |
| Seclin to La Roche-sur-Foron | 344.34 mi (554.16 km) |
| Seclin to La Roche-sur-Yon | 336.34 mi (541.29 km) |
| Seclin to La Rochelle | 358.69 mi (577.26 km) |
| Seclin to La Seyne-sur-Mer | 531.91 mi (856.02 km) |
| Seclin to La Teste-de-Buch | 453.29 mi (729.50 km) |
| Seclin to La Trinite | 511.42 mi (823.05 km) |
| Seclin to La Valette-du-Var | 530.55 mi (853.85 km) |
| Seclin to Lamballe | 287.27 mi (462.31 km) |
| Seclin to Lambersart | 7.03 mi (11.31 km) |
| Seclin to Lambesc | 487.73 mi (784.93 km) |
| Seclin to Lamorlaye | 99.77 mi (160.57 km) |
| Seclin to Lancon-Provence | 490.59 mi (789.52 km) |
| Seclin to Landerneau | 357.13 mi (574.74 km) |
| Seclin to Landivisiau | 347.90 mi (559.90 km) |
