| Laives to Marco de Canavezes | 1,033.57 mi (1,663.38 km) |
| Laives to Marinha Grande | 1,117.66 mi (1,798.70 km) |
| Laives to Massama | 1,169.77 mi (1,882.56 km) |
| Laives to Matosinhos | 1,059.09 mi (1,704.44 km) |
| Laives to Mealhada | 1,073.55 mi (1,727.72 km) |
| Laives to Melgaco | 1,011.34 mi (1,627.60 km) |
| Laives to Melres | 1,048.83 mi (1,687.93 km) |
| Laives to Mira | 1,084.87 mi (1,745.93 km) |
| Laives to Miranda do Corvo | 1,077.98 mi (1,734.83 km) |
| Laives to Mirandela | 979.33 mi (1,576.08 km) |
| Laives to Mogadouro | 962.64 mi (1,549.23 km) |
| Laives to Moimenta da Beira | 1,015.31 mi (1,633.99 km) |
| Laives to Moita | 1,160.82 mi (1,868.16 km) |
| Laives to Moncao | 1,022.56 mi (1,645.65 km) |
| Laives to Montalegre | 997.50 mi (1,605.33 km) |
