| Tortona to Marco de Canavezes | 894.78 mi (1,440.02 km) |
| Tortona to Marinha Grande | 973.72 mi (1,567.05 km) |
| Tortona to Massama | 1,022.78 mi (1,646.00 km) |
| Tortona to Matosinhos | 921.27 mi (1,482.64 km) |
| Tortona to Mealhada | 931.45 mi (1,499.03 km) |
| Tortona to Melgaco | 877.96 mi (1,412.95 km) |
| Tortona to Melres | 909.89 mi (1,464.32 km) |
| Tortona to Mira | 943.49 mi (1,518.40 km) |
| Tortona to Miranda do Corvo | 934.44 mi (1,503.84 km) |
| Tortona to Mirandela | 840.39 mi (1,352.48 km) |
| Tortona to Mogadouro | 822.03 mi (1,322.93 km) |
| Tortona to Moimenta da Beira | 874.53 mi (1,407.41 km) |
| Tortona to Moita | 1,013.01 mi (1,630.28 km) |
| Tortona to Moncao | 889.29 mi (1,431.17 km) |
| Tortona to Montalegre | 861.57 mi (1,386.56 km) |
