| Sacavem to Mangualde | 144.02 mi (231.77 km) |
| Sacavem to Marco de Canavezes | 172.63 mi (277.82 km) |
| Sacavem to Marinha Grande | 66.66 mi (107.28 km) |
| Sacavem to Massama | 9.49 mi (15.28 km) |
| Sacavem to Matosinhos | 166.44 mi (267.87 km) |
| Sacavem to Mealhada | 115.19 mi (185.38 km) |
| Sacavem to Melgaco | 233.74 mi (376.17 km) |
| Sacavem to Melres | 161.38 mi (259.72 km) |
| Sacavem to Mira | 114.95 mi (185.00 km) |
| Sacavem to Miranda do Corvo | 99.17 mi (159.59 km) |
| Sacavem to Mirandela | 211.86 mi (340.96 km) |
| Sacavem to Mogadouro | 216.14 mi (347.84 km) |
| Sacavem to Moimenta da Beira | 170.44 mi (274.30 km) |
| Sacavem to Moita | 11.95 mi (19.23 km) |
| Sacavem to Moncao | 228.92 mi (368.41 km) |
