| Zagarolo to Marco de Canavezes | 1,083.93 mi (1,744.42 km) |
| Zagarolo to Marinha Grande | 1,144.55 mi (1,841.97 km) |
| Zagarolo to Massama | 1,180.88 mi (1,900.44 km) |
| Zagarolo to Matosinhos | 1,112.15 mi (1,789.82 km) |
| Zagarolo to Mealhada | 1,109.66 mi (1,785.83 km) |
| Zagarolo to Melgaco | 1,081.25 mi (1,740.10 km) |
| Zagarolo to Melres | 1,098.10 mi (1,767.22 km) |
| Zagarolo to Mira | 1,123.51 mi (1,808.12 km) |
| Zagarolo to Miranda do Corvo | 1,107.93 mi (1,783.05 km) |
| Zagarolo to Mirandela | 1,031.12 mi (1,659.43 km) |
| Zagarolo to Mogadouro | 1,008.78 mi (1,623.47 km) |
| Zagarolo to Moimenta da Beira | 1,058.74 mi (1,703.88 km) |
| Zagarolo to Moita | 1,168.13 mi (1,879.92 km) |
| Zagarolo to Moncao | 1,092.44 mi (1,758.12 km) |
| Zagarolo to Montalegre | 1,059.31 mi (1,704.79 km) |
