| Seclin to La Victoria de Acentejo | 1,835.73 mi (2,954.32 km) |
| Seclin to Laguna de Duero | 721.30 mi (1,160.82 km) |
| Seclin to Lalin | 758.56 mi (1,220.78 km) |
| Seclin to Lardero | 618.58 mi (995.51 km) |
| Seclin to Laredo | 578.37 mi (930.79 km) |
| Seclin to Las Cabezas de San Juan | 1,036.95 mi (1,668.80 km) |
| Seclin to Las Palmas | 1,825.34 mi (2,937.60 km) |
| Seclin to Las Rozas de Madrid | 770.21 mi (1,239.54 km) |
| Seclin to Las Torres de Cotillas | 890.23 mi (1,432.68 km) |
| Seclin to Lebrija | 1,043.84 mi (1,679.89 km) |
| Seclin to Leganes | 778.39 mi (1,252.69 km) |
| Seclin to Leon | 683.11 mi (1,099.36 km) |
| Seclin to Lepe | 1,048.08 mi (1,686.72 km) |
| Seclin to Linares | 921.15 mi (1,482.45 km) |
| Seclin to Liria | 774.87 mi (1,247.03 km) |
