| Bamber Bridge to Mangualde | 937.28 mi (1,508.41 km) |
| Bamber Bridge to Marco de Canavezes | 903.22 mi (1,453.60 km) |
| Bamber Bridge to Marinha Grande | 1,009.46 mi (1,624.56 km) |
| Bamber Bridge to Massama | 1,080.47 mi (1,738.85 km) |
| Bamber Bridge to Matosinhos | 910.71 mi (1,465.64 km) |
| Bamber Bridge to Mealhada | 960.67 mi (1,546.04 km) |
| Bamber Bridge to Melgaco | 842.56 mi (1,355.97 km) |
| Bamber Bridge to Melres | 914.33 mi (1,471.46 km) |
| Bamber Bridge to Mira | 961.12 mi (1,546.77 km) |
| Bamber Bridge to Miranda do Corvo | 978.15 mi (1,574.18 km) |
| Bamber Bridge to Mirandela | 871.27 mi (1,402.17 km) |
| Bamber Bridge to Mogadouro | 876.68 mi (1,410.88 km) |
| Bamber Bridge to Moimenta da Beira | 910.27 mi (1,464.93 km) |
| Bamber Bridge to Moita | 1,083.74 mi (1,744.11 km) |
| Bamber Bridge to Moncao | 848.48 mi (1,365.49 km) |
