| Bostonia to Mangualde | 5,650.16 mi (9,093.05 km) |
| Bostonia to Marco de Canavezes | 5,610.02 mi (9,028.45 km) |
| Bostonia to Marinha Grande | 5,635.36 mi (9,069.24 km) |
| Bostonia to Massama | 5,660.99 mi (9,110.49 km) |
| Bostonia to Matosinhos | 5,586.95 mi (8,991.32 km) |
| Bostonia to Mealhada | 5,630.14 mi (9,060.83 km) |
| Bostonia to Melgaco | 5,566.99 mi (8,959.21 km) |
| Bostonia to Melres | 5,604.31 mi (9,019.26 km) |
| Bostonia to Mira | 5,616.07 mi (9,038.19 km) |
| Bostonia to Miranda do Corvo | 5,646.70 mi (9,087.48 km) |
| Bostonia to Mirandela | 5,637.86 mi (9,073.27 km) |
| Bostonia to Mogadouro | 5,663.42 mi (9,114.40 km) |
| Bostonia to Moimenta da Beira | 5,640.84 mi (9,078.05 km) |
| Bostonia to Moita | 5,678.04 mi (9,137.92 km) |
| Bostonia to Moncao | 5,559.93 mi (8,947.84 km) |
