| Sable-sur-Sarthe to Marco de Canavezes | 599.23 mi (964.36 km) |
| Sable-sur-Sarthe to Marinha Grande | 703.60 mi (1,132.33 km) |
| Sable-sur-Sarthe to Massama | 770.87 mi (1,240.60 km) |
| Sable-sur-Sarthe to Matosinhos | 616.88 mi (992.78 km) |
| Sable-sur-Sarthe to Mealhada | 653.09 mi (1,051.05 km) |
| Sable-sur-Sarthe to Melgaco | 553.23 mi (890.34 km) |
| Sable-sur-Sarthe to Melres | 613.53 mi (987.38 km) |
| Sable-sur-Sarthe to Mira | 659.00 mi (1,060.55 km) |
| Sable-sur-Sarthe to Miranda do Corvo | 665.71 mi (1,071.36 km) |
| Sable-sur-Sarthe to Mirandela | 552.72 mi (889.51 km) |
| Sable-sur-Sarthe to Mogadouro | 547.98 mi (881.89 km) |
| Sable-sur-Sarthe to Moimenta da Beira | 594.21 mi (956.28 km) |
| Sable-sur-Sarthe to Moita | 768.78 mi (1,237.23 km) |
| Sable-sur-Sarthe to Moncao | 562.77 mi (905.69 km) |
| Sable-sur-Sarthe to Montalegre | 552.97 mi (889.92 km) |
