| Ambares-et-Lagrave to Marco de Canavezes | 464.99 mi (748.34 km) |
| Ambares-et-Lagrave to Marinha Grande | 559.77 mi (900.86 km) |
| Ambares-et-Lagrave to Massama | 620.80 mi (999.08 km) |
| Ambares-et-Lagrave to Matosinhos | 488.28 mi (785.81 km) |
| Ambares-et-Lagrave to Mealhada | 511.64 mi (823.41 km) |
| Ambares-et-Lagrave to Melgaco | 435.15 mi (700.30 km) |
| Ambares-et-Lagrave to Melres | 480.25 mi (772.89 km) |
| Ambares-et-Lagrave to Mira | 520.87 mi (838.26 km) |
| Ambares-et-Lagrave to Miranda do Corvo | 519.99 mi (836.84 km) |
| Ambares-et-Lagrave to Mirandela | 412.28 mi (663.50 km) |
| Ambares-et-Lagrave to Mogadouro | 400.13 mi (643.94 km) |
| Ambares-et-Lagrave to Moimenta da Beira | 451.59 mi (726.76 km) |
| Ambares-et-Lagrave to Moita | 615.43 mi (990.44 km) |
| Ambares-et-Lagrave to Moncao | 446.17 mi (718.03 km) |
| Ambares-et-Lagrave to Montalegre | 424.64 mi (683.39 km) |
