| Falmouth to Mangualde | 672.24 mi (1,081.86 km) |
| Falmouth to Marco de Canavezes | 636.99 mi (1,025.13 km) |
| Falmouth to Marinha Grande | 742.72 mi (1,195.29 km) |
| Falmouth to Massama | 813.71 mi (1,309.54 km) |
| Falmouth to Matosinhos | 643.65 mi (1,035.85 km) |
| Falmouth to Mealhada | 694.35 mi (1,117.45 km) |
| Falmouth to Melgaco | 575.62 mi (926.37 km) |
| Falmouth to Melres | 647.73 mi (1,042.42 km) |
| Falmouth to Mira | 694.34 mi (1,117.44 km) |
| Falmouth to Miranda do Corvo | 712.19 mi (1,146.16 km) |
| Falmouth to Mirandela | 607.18 mi (977.16 km) |
| Falmouth to Mogadouro | 614.29 mi (988.60 km) |
| Falmouth to Moimenta da Beira | 645.34 mi (1,038.57 km) |
| Falmouth to Moita | 817.42 mi (1,315.51 km) |
| Falmouth to Moncao | 581.29 mi (935.50 km) |
