| Monteriggioni to Marco de Canavezes | 999.28 mi (1,608.19 km) |
| Monteriggioni to Marinha Grande | 1,068.72 mi (1,719.94 km) |
| Monteriggioni to Massama | 1,111.15 mi (1,788.23 km) |
| Monteriggioni to Matosinhos | 1,026.88 mi (1,652.60 km) |
| Monteriggioni to Mealhada | 1,030.21 mi (1,657.96 km) |
| Monteriggioni to Melgaco | 990.09 mi (1,593.39 km) |
| Monteriggioni to Melres | 1,013.97 mi (1,631.83 km) |
| Monteriggioni to Mira | 1,043.32 mi (1,679.05 km) |
| Monteriggioni to Miranda do Corvo | 1,030.64 mi (1,658.65 km) |
| Monteriggioni to Mirandela | 945.39 mi (1,521.47 km) |
| Monteriggioni to Mogadouro | 924.70 mi (1,488.17 km) |
| Monteriggioni to Moimenta da Beira | 976.19 mi (1,571.03 km) |
| Monteriggioni to Moita | 1,099.70 mi (1,769.79 km) |
| Monteriggioni to Moncao | 1,001.41 mi (1,611.61 km) |
| Monteriggioni to Montalegre | 970.56 mi (1,561.97 km) |
