| Eraclea to Marco de Canavezes | 1,085.89 mi (1,747.57 km) |
| Eraclea to Marinha Grande | 1,165.44 mi (1,875.59 km) |
| Eraclea to Massama | 1,214.36 mi (1,954.32 km) |
| Eraclea to Matosinhos | 1,112.19 mi (1,789.90 km) |
| Eraclea to Mealhada | 1,123.05 mi (1,807.38 km) |
| Eraclea to Melgaco | 1,067.68 mi (1,718.27 km) |
| Eraclea to Melres | 1,101.03 mi (1,771.94 km) |
| Eraclea to Mira | 1,135.02 mi (1,826.64 km) |
| Eraclea to Miranda do Corvo | 1,126.14 mi (1,812.35 km) |
| Eraclea to Mirandela | 1,031.49 mi (1,660.03 km) |
| Eraclea to Mogadouro | 1,013.41 mi (1,630.93 km) |
| Eraclea to Moimenta da Beira | 1,065.96 mi (1,715.49 km) |
| Eraclea to Moita | 1,204.47 mi (1,938.41 km) |
| Eraclea to Moncao | 1,078.98 mi (1,736.45 km) |
| Eraclea to Montalegre | 1,052.00 mi (1,693.03 km) |
