| Marsaskala to Marco de Canavezes | 1,277.61 mi (2,056.12 km) |
| Marsaskala to Marinha Grande | 1,306.70 mi (2,102.93 km) |
| Marsaskala to Massama | 1,321.58 mi (2,126.87 km) |
| Marsaskala to Matosinhos | 1,305.86 mi (2,101.58 km) |
| Marsaskala to Mealhada | 1,285.48 mi (2,068.77 km) |
| Marsaskala to Melgaco | 1,295.42 mi (2,084.78 km) |
| Marsaskala to Melres | 1,289.20 mi (2,074.77 km) |
| Marsaskala to Mira | 1,300.68 mi (2,093.24 km) |
| Marsaskala to Miranda do Corvo | 1,277.21 mi (2,055.47 km) |
| Marsaskala to Mirandela | 1,231.91 mi (1,982.56 km) |
| Marsaskala to Mogadouro | 1,206.22 mi (1,941.23 km) |
| Marsaskala to Moimenta da Beira | 1,247.77 mi (2,008.10 km) |
| Marsaskala to Moita | 1,305.71 mi (2,101.33 km) |
| Marsaskala to Moncao | 1,305.52 mi (2,101.03 km) |
| Marsaskala to Montalegre | 1,267.40 mi (2,039.68 km) |
