| Seclin to Los Palacios y Villafranca | 1,025.07 mi (1,649.69 km) |
| Seclin to Luanco | 633.16 mi (1,018.97 km) |
| Seclin to Lucena | 981.03 mi (1,578.81 km) |
| Seclin to Lugo | 720.68 mi (1,159.82 km) |
| Seclin to Lumbreras | 928.25 mi (1,493.87 km) |
| Seclin to Madrid | 771.49 mi (1,241.59 km) |
| Seclin to Madridejos | 829.26 mi (1,334.57 km) |
| Seclin to Mahon | 738.88 mi (1,189.11 km) |
| Seclin to Mairena del Alcor | 1,008.00 mi (1,622.22 km) |
| Seclin to Mairena del Aljarafe | 1,017.27 mi (1,637.13 km) |
| Seclin to Majadahonda | 771.39 mi (1,241.43 km) |
| Seclin to Malaga | 1,024.26 mi (1,648.39 km) |
| Seclin to Malgrat de Mar | 615.27 mi (990.18 km) |
| Seclin to Manacor | 758.58 mi (1,220.81 km) |
| Seclin to Mancha Real | 940.26 mi (1,513.20 km) |
