| Wattrelos to Marco de Canavezes | 852.79 mi (1,372.43 km) |
| Wattrelos to Marinha Grande | 957.62 mi (1,541.14 km) |
| Wattrelos to Massama | 1,025.10 mi (1,649.74 km) |
| Wattrelos to Matosinhos | 869.72 mi (1,399.68 km) |
| Wattrelos to Mealhada | 907.06 mi (1,459.77 km) |
| Wattrelos to Melgaco | 805.03 mi (1,295.57 km) |
| Wattrelos to Melres | 866.94 mi (1,395.20 km) |
| Wattrelos to Mira | 912.70 mi (1,468.85 km) |
| Wattrelos to Miranda do Corvo | 919.88 mi (1,480.41 km) |
| Wattrelos to Mirandela | 806.84 mi (1,298.49 km) |
| Wattrelos to Mogadouro | 802.24 mi (1,291.08 km) |
| Wattrelos to Moimenta da Beira | 848.35 mi (1,365.29 km) |
| Wattrelos to Moita | 1,023.04 mi (1,646.42 km) |
| Wattrelos to Moncao | 814.22 mi (1,310.36 km) |
| Wattrelos to Montalegre | 806.17 mi (1,297.40 km) |
