| Alcantarilla to Mangualde | 394.59 mi (635.04 km) |
| Alcantarilla to Marco de Canavezes | 430.89 mi (693.45 km) |
| Alcantarilla to Marinha Grande | 433.16 mi (697.10 km) |
| Alcantarilla to Massama | 440.14 mi (708.34 km) |
| Alcantarilla to Matosinhos | 456.22 mi (734.21 km) |
| Alcantarilla to Mealhada | 421.90 mi (678.99 km) |
| Alcantarilla to Melgaco | 470.19 mi (756.70 km) |
| Alcantarilla to Melres | 438.65 mi (705.93 km) |
| Alcantarilla to Mira | 437.07 mi (703.39 km) |
| Alcantarilla to Miranda do Corvo | 409.47 mi (658.97 km) |
| Alcantarilla to Mirandela | 399.37 mi (642.73 km) |
| Alcantarilla to Mogadouro | 373.71 mi (601.43 km) |
| Alcantarilla to Moimenta da Beira | 399.63 mi (643.15 km) |
| Alcantarilla to Moita | 423.92 mi (682.24 km) |
| Alcantarilla to Moncao | 477.50 mi (768.46 km) |
