| Blace to Mangualde | 1,496.48 mi (2,408.35 km) |
| Blace to Marco de Canavezes | 1,504.91 mi (2,421.91 km) |
| Blace to Marinha Grande | 1,573.45 mi (2,532.22 km) |
| Blace to Massama | 1,614.03 mi (2,597.53 km) |
| Blace to Matosinhos | 1,532.47 mi (2,466.28 km) |
| Blace to Mealhada | 1,535.56 mi (2,471.25 km) |
| Blace to Melgaco | 1,494.82 mi (2,405.69 km) |
| Blace to Melres | 1,519.60 mi (2,445.57 km) |
| Blace to Mira | 1,548.76 mi (2,492.49 km) |
| Blace to Miranda do Corvo | 1,535.64 mi (2,471.38 km) |
| Blace to Mirandela | 1,450.99 mi (2,335.14 km) |
| Blace to Mogadouro | 1,430.34 mi (2,301.90 km) |
| Blace to Moimenta da Beira | 1,481.79 mi (2,384.71 km) |
| Blace to Moita | 1,602.04 mi (2,578.23 km) |
| Blace to Moncao | 1,506.15 mi (2,423.92 km) |
