| Alloa to Mangualde | 1,086.68 mi (1,748.84 km) |
| Alloa to Marco de Canavezes | 1,050.22 mi (1,690.16 km) |
| Alloa to Marinha Grande | 1,154.75 mi (1,858.40 km) |
| Alloa to Massama | 1,225.51 mi (1,972.27 km) |
| Alloa to Matosinhos | 1,055.12 mi (1,698.05 km) |
| Alloa to Mealhada | 1,107.31 mi (1,782.04 km) |
| Alloa to Melgaco | 987.67 mi (1,589.50 km) |
| Alloa to Melres | 1,060.31 mi (1,706.41 km) |
| Alloa to Mira | 1,106.42 mi (1,780.62 km) |
| Alloa to Miranda do Corvo | 1,125.64 mi (1,811.54 km) |
| Alloa to Mirandela | 1,022.27 mi (1,645.18 km) |
| Alloa to Mogadouro | 1,029.81 mi (1,657.31 km) |
| Alloa to Moimenta da Beira | 1,059.91 mi (1,705.75 km) |
| Alloa to Moita | 1,230.11 mi (1,979.67 km) |
| Alloa to Moncao | 992.58 mi (1,597.41 km) |
