| Alenquer to Marco de Canavezes | 154.34 mi (248.39 km) |
| Alenquer to Marinha Grande | 48.57 mi (78.17 km) |
| Alenquer to Massama | 24.56 mi (39.52 km) |
| Alenquer to Matosinhos | 148.34 mi (238.74 km) |
| Alenquer to Mealhada | 96.92 mi (155.98 km) |
| Alenquer to Melgaco | 215.51 mi (346.83 km) |
| Alenquer to Melres | 143.10 mi (230.31 km) |
| Alenquer to Mira | 96.76 mi (155.71 km) |
| Alenquer to Miranda do Corvo | 81.16 mi (130.62 km) |
| Alenquer to Mirandela | 194.08 mi (312.34 km) |
| Alenquer to Mogadouro | 199.04 mi (320.33 km) |
| Alenquer to Moimenta da Beira | 152.60 mi (245.59 km) |
| Alenquer to Moita | 27.70 mi (44.57 km) |
| Alenquer to Moncao | 210.78 mi (339.22 km) |
| Alenquer to Montalegre | 202.14 mi (325.31 km) |
