| Swords to Marco de Canavezes | 852.95 mi (1,372.68 km) |
| Swords to Marinha Grande | 955.79 mi (1,538.20 km) |
| Swords to Massama | 1,026.12 mi (1,651.39 km) |
| Swords to Matosinhos | 856.01 mi (1,377.61 km) |
| Swords to Mealhada | 909.49 mi (1,463.69 km) |
| Swords to Melgaco | 789.39 mi (1,270.40 km) |
| Swords to Melres | 862.26 mi (1,387.67 km) |
| Swords to Mira | 907.67 mi (1,460.76 km) |
| Swords to Miranda do Corvo | 928.37 mi (1,494.06 km) |
| Swords to Mirandela | 828.55 mi (1,333.43 km) |
| Swords to Mogadouro | 838.17 mi (1,348.91 km) |
| Swords to Moimenta da Beira | 864.72 mi (1,391.64 km) |
| Swords to Moita | 1,031.60 mi (1,660.20 km) |
| Swords to Moncao | 793.60 mi (1,277.17 km) |
| Swords to Montalegre | 807.29 mi (1,299.21 km) |
