| Meltham to Mangualde | 938.64 mi (1,510.60 km) |
| Meltham to Marco de Canavezes | 905.71 mi (1,457.61 km) |
| Meltham to Marinha Grande | 1,012.41 mi (1,629.32 km) |
| Meltham to Massama | 1,083.39 mi (1,743.55 km) |
| Meltham to Matosinhos | 914.25 mi (1,471.34 km) |
| Meltham to Mealhada | 963.17 mi (1,550.07 km) |
| Meltham to Melgaco | 845.99 mi (1,361.50 km) |
| Meltham to Melres | 917.21 mi (1,476.11 km) |
| Meltham to Mira | 964.17 mi (1,551.68 km) |
| Meltham to Miranda do Corvo | 980.26 mi (1,577.57 km) |
| Meltham to Mirandela | 872.06 mi (1,403.44 km) |
| Meltham to Mogadouro | 876.45 mi (1,410.51 km) |
| Meltham to Moimenta da Beira | 911.58 mi (1,467.05 km) |
| Meltham to Moita | 1,086.11 mi (1,747.93 km) |
| Meltham to Moncao | 852.30 mi (1,371.65 km) |
