| San Bartolome to Mangualde | 982.00 mi (1,580.38 km) |
| San Bartolome to Marco de Canavezes | 1,007.72 mi (1,621.77 km) |
| San Bartolome to Marinha Grande | 900.78 mi (1,449.67 km) |
| San Bartolome to Massama | 831.42 mi (1,338.05 km) |
| San Bartolome to Matosinhos | 995.16 mi (1,601.55 km) |
| San Bartolome to Mealhada | 951.38 mi (1,531.10 km) |
| San Bartolome to Melgaco | 1,063.05 mi (1,710.81 km) |
| San Bartolome to Melres | 994.69 mi (1,600.79 km) |
| San Bartolome to Mira | 947.73 mi (1,525.22 km) |
| San Bartolome to Miranda do Corvo | 936.96 mi (1,507.88 km) |
| San Bartolome to Mirandela | 1,049.86 mi (1,689.59 km) |
| San Bartolome to Mogadouro | 1,052.96 mi (1,694.57 km) |
| San Bartolome to Moimenta da Beira | 1,008.42 mi (1,622.89 km) |
| San Bartolome to Moita | 832.40 mi (1,339.63 km) |
| San Bartolome to Moncao | 1,055.75 mi (1,699.06 km) |
