| Sutton to Mangualde | 826.45 mi (1,330.04 km) |
| Sutton to Marco de Canavezes | 798.43 mi (1,284.95 km) |
| Sutton to Marinha Grande | 905.57 mi (1,457.38 km) |
| Sutton to Massama | 975.64 mi (1,570.14 km) |
| Sutton to Matosinhos | 811.09 mi (1,305.32 km) |
| Sutton to Mealhada | 855.14 mi (1,376.21 km) |
| Sutton to Melgaco | 743.55 mi (1,196.63 km) |
| Sutton to Melres | 811.34 mi (1,305.72 km) |
| Sutton to Mira | 858.34 mi (1,381.36 km) |
| Sutton to Miranda do Corvo | 870.44 mi (1,400.84 km) |
| Sutton to Mirandela | 758.58 mi (1,220.82 km) |
| Sutton to Mogadouro | 758.99 mi (1,221.47 km) |
| Sutton to Moimenta da Beira | 799.58 mi (1,286.80 km) |
| Sutton to Moita | 976.17 mi (1,570.99 km) |
| Sutton to Moncao | 751.37 mi (1,209.21 km) |
