| Shiremoor to Mangualde | 1,037.54 mi (1,669.76 km) |
| Shiremoor to Marco de Canavezes | 1,003.96 mi (1,615.71 km) |
| Shiremoor to Marinha Grande | 1,110.37 mi (1,786.97 km) |
| Shiremoor to Massama | 1,181.38 mi (1,901.25 km) |
| Shiremoor to Matosinhos | 1,011.80 mi (1,628.33 km) |
| Shiremoor to Mealhada | 1,061.41 mi (1,708.18 km) |
| Shiremoor to Melgaco | 943.60 mi (1,518.58 km) |
| Shiremoor to Melres | 1,015.20 mi (1,633.81 km) |
| Shiremoor to Mira | 1,062.06 mi (1,709.22 km) |
| Shiremoor to Miranda do Corvo | 1,078.74 mi (1,736.07 km) |
| Shiremoor to Mirandela | 971.24 mi (1,563.05 km) |
| Shiremoor to Mogadouro | 976.09 mi (1,570.87 km) |
| Shiremoor to Moimenta da Beira | 1,010.50 mi (1,626.24 km) |
| Shiremoor to Moita | 1,184.45 mi (1,906.19 km) |
| Shiremoor to Moncao | 949.64 mi (1,528.30 km) |
