| Enterprise to Mangualde | 5,428.17 mi (8,735.79 km) |
| Enterprise to Marco de Canavezes | 5,387.56 mi (8,670.43 km) |
| Enterprise to Marinha Grande | 5,415.47 mi (8,715.35 km) |
| Enterprise to Massama | 5,442.81 mi (8,759.35 km) |
| Enterprise to Matosinhos | 5,364.90 mi (8,633.97 km) |
| Enterprise to Mealhada | 5,408.98 mi (8,704.91 km) |
| Enterprise to Melgaco | 5,343.40 mi (8,599.37 km) |
| Enterprise to Melres | 5,382.19 mi (8,661.79 km) |
| Enterprise to Mira | 5,395.07 mi (8,682.52 km) |
| Enterprise to Miranda do Corvo | 5,425.83 mi (8,732.04 km) |
| Enterprise to Mirandela | 5,414.29 mi (8,713.46 km) |
| Enterprise to Mogadouro | 5,439.70 mi (8,754.35 km) |
| Enterprise to Moimenta da Beira | 5,418.24 mi (8,719.81 km) |
| Enterprise to Moita | 5,459.76 mi (8,786.63 km) |
| Enterprise to Moncao | 5,336.54 mi (8,588.33 km) |
