| Sankt Augustin to Marco de Canavezes | 986.93 mi (1,588.32 km) |
| Sankt Augustin to Marinha Grande | 1,088.40 mi (1,751.62 km) |
| Sankt Augustin to Massama | 1,153.00 mi (1,855.58 km) |
| Sankt Augustin to Matosinhos | 1,006.47 mi (1,619.76 km) |
| Sankt Augustin to Mealhada | 1,038.57 mi (1,671.41 km) |
| Sankt Augustin to Melgaco | 944.78 mi (1,520.47 km) |
| Sankt Augustin to Melres | 1,001.68 mi (1,612.05 km) |
| Sankt Augustin to Mira | 1,045.82 mi (1,683.09 km) |
| Sankt Augustin to Miranda do Corvo | 1,049.40 mi (1,688.85 km) |
| Sankt Augustin to Mirandela | 937.68 mi (1,509.04 km) |
| Sankt Augustin to Mogadouro | 929.63 mi (1,496.09 km) |
| Sankt Augustin to Moimenta da Beira | 978.69 mi (1,575.05 km) |
| Sankt Augustin to Moita | 1,149.05 mi (1,849.22 km) |
| Sankt Augustin to Moncao | 954.69 mi (1,536.42 km) |
| Sankt Augustin to Montalegre | 942.04 mi (1,516.07 km) |
