| Buren to Marco de Canavezes | 1,066.97 mi (1,717.13 km) |
| Buren to Marinha Grande | 1,168.68 mi (1,880.81 km) |
| Buren to Massama | 1,233.41 mi (1,984.98 km) |
| Buren to Matosinhos | 1,086.32 mi (1,748.26 km) |
| Buren to Mealhada | 1,118.79 mi (1,800.52 km) |
| Buren to Melgaco | 1,024.30 mi (1,648.45 km) |
| Buren to Melres | 1,081.68 mi (1,740.80 km) |
| Buren to Mira | 1,125.95 mi (1,812.05 km) |
| Buren to Miranda do Corvo | 1,129.72 mi (1,818.11 km) |
| Buren to Mirandela | 1,017.89 mi (1,638.14 km) |
| Buren to Mogadouro | 1,009.99 mi (1,625.43 km) |
| Buren to Moimenta da Beira | 1,058.95 mi (1,704.22 km) |
| Buren to Moita | 1,229.50 mi (1,978.70 km) |
| Buren to Moncao | 1,034.13 mi (1,664.28 km) |
| Buren to Montalegre | 1,021.93 mi (1,644.63 km) |
