| Aylesbury to Mangualde | 842.02 mi (1,355.09 km) |
| Aylesbury to Marco de Canavezes | 812.39 mi (1,307.41 km) |
| Aylesbury to Marinha Grande | 919.64 mi (1,480.01 km) |
| Aylesbury to Massama | 990.12 mi (1,593.44 km) |
| Aylesbury to Matosinhos | 823.80 mi (1,325.78 km) |
| Aylesbury to Mealhada | 869.46 mi (1,399.27 km) |
| Aylesbury to Melgaco | 755.85 mi (1,216.43 km) |
| Aylesbury to Melres | 824.89 mi (1,327.53 km) |
| Aylesbury to Mira | 871.99 mi (1,403.33 km) |
| Aylesbury to Miranda do Corvo | 885.36 mi (1,424.85 km) |
| Aylesbury to Mirandela | 774.40 mi (1,246.27 km) |
| Aylesbury to Mogadouro | 776.09 mi (1,248.99 km) |
| Aylesbury to Moimenta da Beira | 815.03 mi (1,311.66 km) |
| Aylesbury to Moita | 991.32 mi (1,595.38 km) |
| Aylesbury to Moncao | 763.23 mi (1,228.30 km) |
