| Rothwell to Mangualde | 953.99 mi (1,535.31 km) |
| Rothwell to Marco de Canavezes | 921.41 mi (1,482.87 km) |
| Rothwell to Marinha Grande | 1,028.22 mi (1,654.76 km) |
| Rothwell to Massama | 1,099.17 mi (1,768.95 km) |
| Rothwell to Matosinhos | 930.24 mi (1,497.08 km) |
| Rothwell to Mealhada | 978.86 mi (1,575.32 km) |
| Rothwell to Melgaco | 861.98 mi (1,387.22 km) |
| Rothwell to Melres | 933.02 mi (1,501.55 km) |
| Rothwell to Mira | 980.02 mi (1,577.18 km) |
| Rothwell to Miranda do Corvo | 995.82 mi (1,602.62 km) |
| Rothwell to Mirandela | 887.25 mi (1,427.90 km) |
| Rothwell to Mogadouro | 891.31 mi (1,434.43 km) |
| Rothwell to Moimenta da Beira | 926.93 mi (1,491.75 km) |
| Rothwell to Moita | 1,101.73 mi (1,773.07 km) |
| Rothwell to Moncao | 868.39 mi (1,397.54 km) |
