| Whickham to Mangualde | 1,029.47 mi (1,656.77 km) |
| Whickham to Marco de Canavezes | 995.76 mi (1,602.53 km) |
| Whickham to Marinha Grande | 1,102.13 mi (1,773.70 km) |
| Whickham to Massama | 1,173.14 mi (1,887.99 km) |
| Whickham to Matosinhos | 1,003.49 mi (1,614.97 km) |
| Whickham to Mealhada | 1,053.22 mi (1,694.99 km) |
| Whickham to Melgaco | 935.32 mi (1,505.24 km) |
| Whickham to Melres | 1,006.97 mi (1,620.56 km) |
| Whickham to Mira | 1,053.81 mi (1,695.94 km) |
| Whickham to Miranda do Corvo | 1,070.59 mi (1,722.95 km) |
| Whickham to Mirandela | 963.23 mi (1,550.18 km) |
| Whickham to Mogadouro | 968.21 mi (1,558.19 km) |
| Whickham to Moimenta da Beira | 1,002.44 mi (1,613.27 km) |
| Whickham to Moita | 1,176.27 mi (1,893.02 km) |
| Whickham to Moncao | 941.31 mi (1,514.89 km) |
