| San Valentino Torio to Marco de Canavezes | 1,183.63 mi (1,904.87 km) |
| San Valentino Torio to Marinha Grande | 1,239.17 mi (1,994.24 km) |
| San Valentino Torio to Massama | 1,271.80 mi (2,046.77 km) |
| San Valentino Torio to Matosinhos | 1,212.06 mi (1,950.62 km) |
| San Valentino Torio to Mealhada | 1,206.46 mi (1,941.61 km) |
| San Valentino Torio to Melgaco | 1,184.30 mi (1,905.95 km) |
| San Valentino Torio to Melres | 1,197.47 mi (1,927.14 km) |
| San Valentino Torio to Mira | 1,220.66 mi (1,964.46 km) |
| San Valentino Torio to Miranda do Corvo | 1,203.55 mi (1,936.93 km) |
| San Valentino Torio to Mirandela | 1,131.62 mi (1,821.16 km) |
| San Valentino Torio to Mogadouro | 1,108.52 mi (1,784.00 km) |
| San Valentino Torio to Moimenta da Beira | 1,157.45 mi (1,862.74 km) |
| San Valentino Torio to Moita | 1,258.35 mi (2,025.12 km) |
| San Valentino Torio to Moncao | 1,195.39 mi (1,923.80 km) |
| San Valentino Torio to Montalegre | 1,161.23 mi (1,868.82 km) |
