| Beech Grove to Mangualde | 3,988.16 mi (6,418.32 km) |
| Beech Grove to Marco de Canavezes | 3,952.01 mi (6,360.15 km) |
| Beech Grove to Marinha Grande | 3,959.80 mi (6,372.69 km) |
| Beech Grove to Massama | 3,974.92 mi (6,397.02 km) |
| Beech Grove to Matosinhos | 3,926.39 mi (6,318.91 km) |
| Beech Grove to Mealhada | 3,962.79 mi (6,377.49 km) |
| Beech Grove to Melgaco | 3,918.13 mi (6,305.62 km) |
| Beech Grove to Melres | 3,943.96 mi (6,347.18 km) |
| Beech Grove to Mira | 3,947.93 mi (6,353.57 km) |
| Beech Grove to Miranda do Corvo | 3,977.14 mi (6,400.59 km) |
| Beech Grove to Mirandela | 3,987.57 mi (6,417.37 km) |
| Beech Grove to Mogadouro | 4,013.81 mi (6,459.60 km) |
| Beech Grove to Moimenta da Beira | 3,983.29 mi (6,410.48 km) |
| Beech Grove to Moita | 3,992.27 mi (6,424.94 km) |
| Beech Grove to Moncao | 3,909.60 mi (6,291.89 km) |
