| Attard to Marco de Canavezes | 1,270.15 mi (2,044.10 km) |
| Attard to Marinha Grande | 1,299.18 mi (2,090.83 km) |
| Attard to Massama | 1,314.05 mi (2,114.75 km) |
| Attard to Matosinhos | 1,298.39 mi (2,089.55 km) |
| Attard to Mealhada | 1,277.97 mi (2,056.70 km) |
| Attard to Melgaco | 1,288.01 mi (2,072.85 km) |
| Attard to Melres | 1,281.73 mi (2,062.74 km) |
| Attard to Mira | 1,293.18 mi (2,081.17 km) |
| Attard to Miranda do Corvo | 1,269.70 mi (2,043.39 km) |
| Attard to Mirandela | 1,224.47 mi (1,970.59 km) |
| Attard to Mogadouro | 1,198.78 mi (1,929.24 km) |
| Attard to Moimenta da Beira | 1,240.30 mi (1,996.07 km) |
| Attard to Moita | 1,298.18 mi (2,089.21 km) |
| Attard to Moncao | 1,298.10 mi (2,089.09 km) |
| Attard to Montalegre | 1,259.97 mi (2,027.73 km) |
