| Motherwell to Mangualde | 1,062.74 mi (1,710.31 km) |
| Motherwell to Marco de Canavezes | 1,026.21 mi (1,651.52 km) |
| Motherwell to Marinha Grande | 1,130.70 mi (1,819.68 km) |
| Motherwell to Massama | 1,201.45 mi (1,933.54 km) |
| Motherwell to Matosinhos | 1,031.05 mi (1,659.32 km) |
| Motherwell to Mealhada | 1,083.29 mi (1,743.38 km) |
| Motherwell to Melgaco | 963.62 mi (1,550.80 km) |
| Motherwell to Melres | 1,036.28 mi (1,667.73 km) |
| Motherwell to Mira | 1,082.37 mi (1,741.91 km) |
| Motherwell to Miranda do Corvo | 1,101.64 mi (1,772.91 km) |
| Motherwell to Mirandela | 998.39 mi (1,606.75 km) |
| Motherwell to Mogadouro | 1,006.02 mi (1,619.04 km) |
| Motherwell to Moimenta da Beira | 1,035.97 mi (1,667.24 km) |
| Motherwell to Moita | 1,206.07 mi (1,940.99 km) |
| Motherwell to Moncao | 968.52 mi (1,558.68 km) |
