| Zerbst to Marco de Canavezes | 1,209.08 mi (1,945.82 km) |
| Zerbst to Marinha Grande | 1,308.92 mi (2,106.51 km) |
| Zerbst to Massama | 1,372.08 mi (2,208.15 km) |
| Zerbst to Matosinhos | 1,229.44 mi (1,978.60 km) |
| Zerbst to Mealhada | 1,259.55 mi (2,027.05 km) |
| Zerbst to Melgaco | 1,168.84 mi (1,881.07 km) |
| Zerbst to Melres | 1,223.98 mi (1,969.81 km) |
| Zerbst to Mira | 1,267.39 mi (2,039.67 km) |
| Zerbst to Miranda do Corvo | 1,269.56 mi (2,043.16 km) |
| Zerbst to Mirandela | 1,158.82 mi (1,864.93 km) |
| Zerbst to Mogadouro | 1,149.48 mi (1,849.91 km) |
| Zerbst to Moimenta da Beira | 1,199.47 mi (1,930.36 km) |
| Zerbst to Moita | 1,367.31 mi (2,200.48 km) |
| Zerbst to Moncao | 1,178.93 mi (1,897.31 km) |
| Zerbst to Montalegre | 1,164.93 mi (1,874.77 km) |
