| Atca to Mangualde | 1,920.91 mi (3,091.41 km) |
| Atca to Marco de Canavezes | 1,937.10 mi (3,117.46 km) |
| Atca to Marinha Grande | 1,989.78 mi (3,202.24 km) |
| Atca to Massama | 2,018.89 mi (3,249.09 km) |
| Atca to Matosinhos | 1,965.57 mi (3,163.28 km) |
| Atca to Mealhada | 1,958.62 mi (3,152.10 km) |
| Atca to Melgaco | 1,938.06 mi (3,119.00 km) |
| Atca to Melres | 1,950.82 mi (3,139.55 km) |
| Atca to Mira | 1,973.00 mi (3,175.23 km) |
| Atca to Miranda do Corvo | 1,954.97 mi (3,146.22 km) |
| Atca to Mirandela | 1,885.30 mi (3,034.10 km) |
| Atca to Mogadouro | 1,862.05 mi (2,996.68 km) |
| Atca to Moimenta da Beira | 1,910.60 mi (3,074.82 km) |
| Atca to Moita | 2,004.74 mi (3,226.32 km) |
| Atca to Moncao | 1,949.17 mi (3,136.88 km) |
