| Heerlen to Los Palacios y Villafranca | 1,114.33 mi (1,793.34 km) |
| Heerlen to Luanco | 745.02 mi (1,198.99 km) |
| Heerlen to Lucena | 1,063.99 mi (1,712.33 km) |
| Heerlen to Lugo | 836.06 mi (1,345.52 km) |
| Heerlen to Lumbreras | 996.54 mi (1,603.78 km) |
| Heerlen to Madrid | 859.68 mi (1,383.52 km) |
| Heerlen to Madridejos | 913.21 mi (1,469.67 km) |
| Heerlen to Mahon | 764.11 mi (1,229.72 km) |
| Heerlen to Mairena del Alcor | 1,096.94 mi (1,765.36 km) |
| Heerlen to Mairena del Aljarafe | 1,107.63 mi (1,782.56 km) |
| Heerlen to Majadahonda | 860.74 mi (1,385.23 km) |
| Heerlen to Malaga | 1,105.14 mi (1,778.55 km) |
| Heerlen to Malgrat de Mar | 656.59 mi (1,056.68 km) |
| Heerlen to Manacor | 793.09 mi (1,276.36 km) |
| Heerlen to Mancha Real | 1,019.66 mi (1,640.98 km) |
