| Bluffton to Mangualde | 3,993.39 mi (6,426.75 km) |
| Bluffton to Marco de Canavezes | 3,962.51 mi (6,377.04 km) |
| Bluffton to Marinha Grande | 3,951.23 mi (6,358.89 km) |
| Bluffton to Massama | 3,953.83 mi (6,363.07 km) |
| Bluffton to Matosinhos | 3,935.04 mi (6,332.83 km) |
| Bluffton to Mealhada | 3,963.13 mi (6,378.04 km) |
| Bluffton to Melgaco | 3,938.97 mi (6,339.15 km) |
| Bluffton to Melres | 3,952.28 mi (6,360.58 km) |
| Bluffton to Mira | 3,947.86 mi (6,353.46 km) |
| Bluffton to Miranda do Corvo | 3,974.66 mi (6,396.60 km) |
| Bluffton to Mirandela | 4,004.78 mi (6,445.06 km) |
| Bluffton to Mogadouro | 4,030.88 mi (6,487.07 km) |
| Bluffton to Moimenta da Beira | 3,993.29 mi (6,426.58 km) |
| Bluffton to Moita | 3,971.03 mi (6,390.75 km) |
| Bluffton to Moncao | 3,929.24 mi (6,323.50 km) |
