| Alvin to Mangualde | 4,811.96 mi (7,744.10 km) |
| Alvin to Marco de Canavezes | 4,778.35 mi (7,690.01 km) |
| Alvin to Marinha Grande | 4,776.19 mi (7,686.53 km) |
| Alvin to Massama | 4,784.40 mi (7,699.75 km) |
| Alvin to Matosinhos | 4,751.69 mi (7,647.10 km) |
| Alvin to Mealhada | 4,783.94 mi (7,699.01 km) |
| Alvin to Melgaco | 4,749.43 mi (7,643.46 km) |
| Alvin to Melres | 4,769.16 mi (7,675.22 km) |
| Alvin to Mira | 4,768.81 mi (7,674.65 km) |
| Alvin to Miranda do Corvo | 4,796.87 mi (7,719.81 km) |
| Alvin to Mirandela | 4,817.38 mi (7,752.82 km) |
| Alvin to Mogadouro | 4,843.65 mi (7,795.10 km) |
| Alvin to Moimenta da Beira | 4,809.50 mi (7,740.14 km) |
| Alvin to Moita | 4,801.73 mi (7,727.64 km) |
| Alvin to Moncao | 4,740.28 mi (7,628.75 km) |
