| San Giovanni Lupatoto to Marco de Canavezes | 1,004.78 mi (1,617.03 km) |
| San Giovanni Lupatoto to Marinha Grande | 1,084.47 mi (1,745.29 km) |
| San Giovanni Lupatoto to Massama | 1,133.69 mi (1,824.50 km) |
| San Giovanni Lupatoto to Matosinhos | 1,031.09 mi (1,659.38 km) |
| San Giovanni Lupatoto to Mealhada | 1,041.99 mi (1,676.92 km) |
| San Giovanni Lupatoto to Melgaco | 986.75 mi (1,588.02 km) |
| San Giovanni Lupatoto to Melres | 1,019.92 mi (1,641.40 km) |
| San Giovanni Lupatoto to Mira | 1,053.93 mi (1,696.14 km) |
| San Giovanni Lupatoto to Miranda do Corvo | 1,045.14 mi (1,681.99 km) |
| San Giovanni Lupatoto to Mirandela | 950.38 mi (1,529.49 km) |
| San Giovanni Lupatoto to Mogadouro | 932.30 mi (1,500.40 km) |
| San Giovanni Lupatoto to Moimenta da Beira | 984.85 mi (1,584.97 km) |
| San Giovanni Lupatoto to Moita | 1,123.92 mi (1,808.78 km) |
| San Giovanni Lupatoto to Moncao | 998.06 mi (1,606.22 km) |
| San Giovanni Lupatoto to Montalegre | 970.95 mi (1,562.60 km) |
