| Heywood to Mangualde | 933.62 mi (1,502.51 km) |
| Heywood to Marco de Canavezes | 900.22 mi (1,448.76 km) |
| Heywood to Marinha Grande | 1,006.74 mi (1,620.20 km) |
| Heywood to Massama | 1,077.75 mi (1,734.47 km) |
| Heywood to Matosinhos | 908.32 mi (1,461.81 km) |
| Heywood to Mealhada | 957.68 mi (1,541.24 km) |
| Heywood to Melgaco | 840.10 mi (1,352.01 km) |
| Heywood to Melres | 911.55 mi (1,467.01 km) |
| Heywood to Mira | 958.45 mi (1,542.48 km) |
| Heywood to Miranda do Corvo | 974.93 mi (1,569.00 km) |
| Heywood to Mirandela | 867.26 mi (1,395.72 km) |
| Heywood to Mogadouro | 872.08 mi (1,403.48 km) |
| Heywood to Moimenta da Beira | 906.57 mi (1,458.99 km) |
| Heywood to Moita | 1,080.69 mi (1,739.21 km) |
| Heywood to Moncao | 846.25 mi (1,361.91 km) |
