| Bigadic to Mangualde | 1,888.41 mi (3,039.10 km) |
| Bigadic to Marco de Canavezes | 1,902.32 mi (3,061.49 km) |
| Bigadic to Marinha Grande | 1,959.88 mi (3,154.13 km) |
| Bigadic to Massama | 1,992.37 mi (3,206.41 km) |
| Bigadic to Matosinhos | 1,930.61 mi (3,107.01 km) |
| Bigadic to Mealhada | 1,926.65 mi (3,100.65 km) |
| Bigadic to Melgaco | 1,899.85 mi (3,057.51 km) |
| Bigadic to Melres | 1,916.38 mi (3,084.12 km) |
| Bigadic to Mira | 1,940.73 mi (3,123.30 km) |
| Bigadic to Miranda do Corvo | 1,924.08 mi (3,096.51 km) |
| Bigadic to Mirandela | 1,849.70 mi (2,976.80 km) |
| Bigadic to Mogadouro | 1,827.16 mi (2,940.52 km) |
| Bigadic to Moimenta da Beira | 1,876.76 mi (3,020.35 km) |
| Bigadic to Moita | 1,978.77 mi (3,184.52 km) |
| Bigadic to Moncao | 1,911.06 mi (3,075.55 km) |
