| Brig-Glis to Mangualde | 879.88 mi (1,416.03 km) |
| Brig-Glis to Marco de Canavezes | 877.03 mi (1,411.44 km) |
| Brig-Glis to Marinha Grande | 963.85 mi (1,551.16 km) |
| Brig-Glis to Massama | 1,018.20 mi (1,638.63 km) |
| Brig-Glis to Matosinhos | 902.05 mi (1,451.70 km) |
| Brig-Glis to Mealhada | 918.67 mi (1,478.46 km) |
| Brig-Glis to Melgaco | 852.76 mi (1,372.39 km) |
| Brig-Glis to Melres | 892.32 mi (1,436.05 km) |
| Brig-Glis to Mira | 929.54 mi (1,495.95 km) |
| Brig-Glis to Miranda do Corvo | 924.00 mi (1,487.03 km) |
| Brig-Glis to Mirandela | 822.99 mi (1,324.47 km) |
| Brig-Glis to Mogadouro | 807.22 mi (1,299.10 km) |
| Brig-Glis to Moimenta da Beira | 859.83 mi (1,383.76 km) |
| Brig-Glis to Moita | 1,010.02 mi (1,625.47 km) |
| Brig-Glis to Moncao | 863.93 mi (1,390.36 km) |
