| Millau to Marco de Canavezes | 604.59 mi (973.00 km) |
| Millau to Marinha Grande | 685.79 mi (1,103.68 km) |
| Millau to Massama | 737.62 mi (1,187.09 km) |
| Millau to Matosinhos | 630.95 mi (1,015.41 km) |
| Millau to Mealhada | 642.40 mi (1,033.84 km) |
| Millau to Melgaco | 587.91 mi (946.14 km) |
| Millau to Melres | 619.73 mi (997.36 km) |
| Millau to Mira | 654.11 mi (1,052.69 km) |
| Millau to Miranda do Corvo | 646.22 mi (1,039.99 km) |
| Millau to Mirandela | 550.20 mi (885.46 km) |
| Millau to Mogadouro | 532.26 mi (856.60 km) |
| Millau to Moimenta da Beira | 584.86 mi (941.25 km) |
| Millau to Moita | 728.83 mi (1,172.95 km) |
| Millau to Moncao | 599.24 mi (964.38 km) |
| Millau to Montalegre | 571.18 mi (919.22 km) |
