| Heum to Masquefa | 1,267.07 mi (2,039.16 km) |
| Heum to Matadepera | 1,257.81 mi (2,024.25 km) |
| Heum to Mazarron | 1,570.02 mi (2,526.70 km) |
| Heum to Meco | 1,407.92 mi (2,265.82 km) |
| Heum to Medina del Campo | 1,390.21 mi (2,237.33 km) |
| Heum to Medina Sidonia | 1,721.07 mi (2,769.80 km) |
| Heum to Mejorada del Campo | 1,419.20 mi (2,283.98 km) |
| Heum to Meliana | 1,427.72 mi (2,297.69 km) |
| Heum to Mengibar | 1,585.10 mi (2,550.97 km) |
| Heum to Merida | 1,572.05 mi (2,529.97 km) |
| Heum to Miajadas | 1,550.67 mi (2,495.56 km) |
| Heum to Mieres | 1,285.64 mi (2,069.04 km) |
| Heum to Miguelturra | 1,522.33 mi (2,449.95 km) |
| Heum to Mijas | 1,689.12 mi (2,718.38 km) |
| Heum to Miranda de Ebro | 1,263.19 mi (2,032.92 km) |
