| Seia to Los Palacios y Villafranca | 244.71 mi (393.82 km) |
| Seia to Luanco | 241.14 mi (388.07 km) |
| Seia to Lucena | 271.16 mi (436.39 km) |
| Seia to Lugo | 179.45 mi (288.79 km) |
| Seia to Lumbreras | 373.01 mi (600.31 km) |
| Seia to Madrid | 210.34 mi (338.51 km) |
| Seia to Madridejos | 230.47 mi (370.91 km) |
| Seia to Mahon | 632.51 mi (1,017.93 km) |
| Seia to Mairena del Alcor | 236.15 mi (380.05 km) |
| Seia to Mairena del Aljarafe | 230.82 mi (371.47 km) |
| Seia to Majadahonda | 201.41 mi (324.13 km) |
| Seia to Malaga | 311.21 mi (500.84 km) |
| Seia to Malgrat de Mar | 550.56 mi (886.04 km) |
| Seia to Manacor | 580.17 mi (933.69 km) |
| Seia to Mancha Real | 284.98 mi (458.63 km) |
