| Mascalucia to Marco de Canavezes | 1,260.07 mi (2,027.89 km) |
| Mascalucia to Marinha Grande | 1,298.83 mi (2,090.27 km) |
| Mascalucia to Massama | 1,320.14 mi (2,124.55 km) |
| Mascalucia to Matosinhos | 1,288.62 mi (2,073.83 km) |
| Mascalucia to Mealhada | 1,273.34 mi (2,049.24 km) |
| Mascalucia to Melgaco | 1,271.90 mi (2,046.92 km) |
| Mascalucia to Melres | 1,272.56 mi (2,047.99 km) |
| Mascalucia to Mira | 1,288.31 mi (2,073.34 km) |
| Mascalucia to Miranda do Corvo | 1,266.91 mi (2,038.90 km) |
| Mascalucia to Mirandela | 1,211.71 mi (1,950.07 km) |
| Mascalucia to Mogadouro | 1,186.72 mi (1,909.83 km) |
| Mascalucia to Moimenta da Beira | 1,231.28 mi (1,981.55 km) |
| Mascalucia to Moita | 1,305.00 mi (2,100.19 km) |
| Mascalucia to Moncao | 1,282.43 mi (2,063.88 km) |
| Mascalucia to Montalegre | 1,245.41 mi (2,004.30 km) |
