| Crest Hill to Mangualde | 4,020.71 mi (6,470.71 km) |
| Crest Hill to Marco de Canavezes | 3,983.31 mi (6,410.52 km) |
| Crest Hill to Marinha Grande | 3,996.32 mi (6,431.45 km) |
| Crest Hill to Massama | 4,014.77 mi (6,461.16 km) |
| Crest Hill to Matosinhos | 3,958.34 mi (6,370.34 km) |
| Crest Hill to Mealhada | 3,996.84 mi (6,432.29 km) |
| Crest Hill to Melgaco | 3,946.75 mi (6,351.69 km) |
| Crest Hill to Melres | 3,975.90 mi (6,398.60 km) |
| Crest Hill to Mira | 3,982.17 mi (6,408.68 km) |
| Crest Hill to Miranda do Corvo | 4,011.89 mi (6,456.51 km) |
| Crest Hill to Mirandela | 4,016.81 mi (6,464.43 km) |
| Crest Hill to Mogadouro | 4,042.94 mi (6,506.49 km) |
| Crest Hill to Moimenta da Beira | 4,014.55 mi (6,460.80 km) |
| Crest Hill to Moita | 4,032.07 mi (6,488.99 km) |
| Crest Hill to Moncao | 3,938.60 mi (6,338.57 km) |
