| Campina to Mangualde | 1,712.36 mi (2,755.77 km) |
| Campina to Marco de Canavezes | 1,716.86 mi (2,763.02 km) |
| Campina to Marinha Grande | 1,792.16 mi (2,884.20 km) |
| Campina to Massama | 1,837.09 mi (2,956.51 km) |
| Campina to Matosinhos | 1,743.63 mi (2,806.10 km) |
| Campina to Mealhada | 1,751.64 mi (2,818.98 km) |
| Campina to Melgaco | 1,700.86 mi (2,737.26 km) |
| Campina to Melres | 1,731.88 mi (2,787.19 km) |
| Campina to Mira | 1,764.14 mi (2,839.10 km) |
| Campina to Miranda do Corvo | 1,753.43 mi (2,821.87 km) |
| Campina to Mirandela | 1,662.51 mi (2,675.55 km) |
| Campina to Mogadouro | 1,643.46 mi (2,644.90 km) |
| Campina to Moimenta da Beira | 1,695.73 mi (2,729.01 km) |
| Campina to Moita | 1,826.05 mi (2,938.74 km) |
| Campina to Moncao | 1,712.18 mi (2,755.48 km) |
