| Boscombe to Mangualde | 754.86 mi (1,214.83 km) |
| Boscombe to Marco de Canavezes | 724.96 mi (1,166.71 km) |
| Boscombe to Marinha Grande | 832.21 mi (1,339.30 km) |
| Boscombe to Massama | 902.73 mi (1,452.81 km) |
| Boscombe to Matosinhos | 736.27 mi (1,184.92 km) |
| Boscombe to Mealhada | 782.07 mi (1,258.63 km) |
| Boscombe to Melgaco | 668.31 mi (1,075.55 km) |
| Boscombe to Melres | 737.42 mi (1,186.76 km) |
| Boscombe to Mira | 784.52 mi (1,262.56 km) |
| Boscombe to Miranda do Corvo | 798.06 mi (1,284.35 km) |
| Boscombe to Mirandela | 687.32 mi (1,106.14 km) |
| Boscombe to Mogadouro | 689.40 mi (1,109.48 km) |
| Boscombe to Moimenta da Beira | 727.85 mi (1,171.36 km) |
| Boscombe to Moita | 904.05 mi (1,454.93 km) |
| Boscombe to Moncao | 675.69 mi (1,087.42 km) |
