| Mead Valley to Mangualde | 5,615.93 mi (9,037.96 km) |
| Mead Valley to Marco de Canavezes | 5,575.46 mi (8,972.84 km) |
| Mead Valley to Marinha Grande | 5,602.52 mi (9,016.39 km) |
| Mead Valley to Massama | 5,629.25 mi (9,059.41 km) |
| Mead Valley to Matosinhos | 5,552.67 mi (8,936.16 km) |
| Mead Valley to Mealhada | 5,596.46 mi (9,006.64 km) |
| Mead Valley to Melgaco | 5,531.65 mi (8,902.33 km) |
| Mead Valley to Melres | 5,569.98 mi (8,964.02 km) |
| Mead Valley to Mira | 5,582.50 mi (8,984.16 km) |
| Mead Valley to Miranda do Corvo | 5,613.22 mi (9,033.61 km) |
| Mead Valley to Mirandela | 5,602.54 mi (9,016.42 km) |
| Mead Valley to Mogadouro | 5,628.00 mi (9,057.39 km) |
| Mead Valley to Moimenta da Beira | 5,606.19 mi (9,022.29 km) |
| Mead Valley to Moita | 5,646.24 mi (9,086.75 km) |
| Mead Valley to Moncao | 5,524.73 mi (8,891.20 km) |
