| Sieradz to Los Palacios y Villafranca | 1,561.37 mi (2,512.78 km) |
| Sieradz to Luanco | 1,261.35 mi (2,029.95 km) |
| Sieradz to Lucena | 1,496.14 mi (2,407.80 km) |
| Sieradz to Lugo | 1,357.40 mi (2,184.52 km) |
| Sieradz to Lumbreras | 1,392.31 mi (2,240.70 km) |
| Sieradz to Madrid | 1,317.11 mi (2,119.68 km) |
| Sieradz to Madridejos | 1,356.67 mi (2,183.35 km) |
| Sieradz to Mahon | 1,064.95 mi (1,713.87 km) |
| Sieradz to Mairena del Alcor | 1,543.87 mi (2,484.62 km) |
| Sieradz to Mairena del Aljarafe | 1,557.99 mi (2,507.35 km) |
| Sieradz to Majadahonda | 1,320.92 mi (2,125.82 km) |
| Sieradz to Malaga | 1,529.33 mi (2,461.22 km) |
| Sieradz to Malgrat de Mar | 1,020.64 mi (1,642.56 km) |
| Sieradz to Manacor | 1,115.92 mi (1,795.89 km) |
| Sieradz to Mancha Real | 1,444.54 mi (2,324.77 km) |
