| Montemarciano to Marco de Canavezes | 1,104.95 mi (1,778.25 km) |
| Montemarciano to Marinha Grande | 1,175.06 mi (1,891.07 km) |
| Montemarciano to Massama | 1,217.60 mi (1,959.53 km) |
| Montemarciano to Matosinhos | 1,132.45 mi (1,822.50 km) |
| Montemarciano to Mealhada | 1,136.35 mi (1,828.79 km) |
| Montemarciano to Melgaco | 1,094.76 mi (1,761.85 km) |
| Montemarciano to Melres | 1,119.69 mi (1,801.97 km) |
| Montemarciano to Mira | 1,149.40 mi (1,849.78 km) |
| Montemarciano to Miranda do Corvo | 1,136.92 mi (1,829.69 km) |
| Montemarciano to Mirandela | 1,050.97 mi (1,691.37 km) |
| Montemarciano to Mogadouro | 1,030.49 mi (1,658.42 km) |
| Montemarciano to Moimenta da Beira | 1,082.10 mi (1,741.48 km) |
| Montemarciano to Moita | 1,206.13 mi (1,941.07 km) |
| Montemarciano to Moncao | 1,106.09 mi (1,780.08 km) |
| Montemarciano to Montalegre | 1,075.68 mi (1,731.14 km) |
