| Alabaster to Mangualde | 4,249.58 mi (6,839.04 km) |
| Alabaster to Marco de Canavezes | 4,216.50 mi (6,785.80 km) |
| Alabaster to Marinha Grande | 4,212.64 mi (6,779.59 km) |
| Alabaster to Massama | 4,220.02 mi (6,791.46 km) |
| Alabaster to Matosinhos | 4,189.66 mi (6,742.60 km) |
| Alabaster to Mealhada | 4,221.13 mi (6,793.25 km) |
| Alabaster to Melgaco | 4,188.71 mi (6,741.07 km) |
| Alabaster to Melres | 4,207.09 mi (6,770.66 km) |
| Alabaster to Mira | 4,205.96 mi (6,768.83 km) |
| Alabaster to Miranda do Corvo | 4,233.80 mi (6,813.65 km) |
| Alabaster to Mirandela | 4,256.23 mi (6,849.75 km) |
| Alabaster to Mogadouro | 4,282.49 mi (6,892.00 km) |
| Alabaster to Moimenta da Beira | 4,247.59 mi (6,835.84 km) |
| Alabaster to Moita | 4,237.34 mi (6,819.34 km) |
| Alabaster to Moncao | 4,179.43 mi (6,726.14 km) |
