| Vallet to Marco de Canavezes | 535.26 mi (861.42 km) |
| Vallet to Marinha Grande | 639.71 mi (1,029.51 km) |
| Vallet to Massama | 707.12 mi (1,138.00 km) |
| Vallet to Matosinhos | 552.95 mi (889.88 km) |
| Vallet to Mealhada | 589.18 mi (948.20 km) |
| Vallet to Melgaco | 489.45 mi (787.69 km) |
| Vallet to Melres | 549.56 mi (884.44 km) |
| Vallet to Mira | 595.04 mi (957.63 km) |
| Vallet to Miranda do Corvo | 601.90 mi (968.66 km) |
| Vallet to Mirandela | 488.87 mi (786.76 km) |
| Vallet to Mogadouro | 484.41 mi (779.59 km) |
| Vallet to Moimenta da Beira | 530.37 mi (853.55 km) |
| Vallet to Moita | 705.16 mi (1,134.85 km) |
| Vallet to Moncao | 499.05 mi (803.14 km) |
| Vallet to Montalegre | 489.01 mi (786.99 km) |
