| Zagarolo to Montemor-o-Novo | 1,128.75 mi (1,816.55 km) |
| Zagarolo to Montemor-o-Velho | 1,124.91 mi (1,810.37 km) |
| Zagarolo to Montijo | 1,163.15 mi (1,871.90 km) |
| Zagarolo to Mortagua | 1,097.79 mi (1,766.72 km) |
| Zagarolo to Moura | 1,101.01 mi (1,771.90 km) |
| Zagarolo to Murtosa | 1,114.24 mi (1,793.19 km) |
| Zagarolo to Nazare | 1,154.01 mi (1,857.21 km) |
| Zagarolo to Nelas | 1,076.89 mi (1,733.09 km) |
| Zagarolo to Obidos | 1,163.07 mi (1,871.78 km) |
| Zagarolo to Odemira | 1,174.78 mi (1,890.62 km) |
| Zagarolo to Odivelas | 1,175.30 mi (1,891.46 km) |
| Zagarolo to Oeiras | 1,184.56 mi (1,906.36 km) |
| Zagarolo to Olhao | 1,148.99 mi (1,849.12 km) |
| Zagarolo to Oliveira de Azemeis | 1,104.72 mi (1,777.88 km) |
| Zagarolo to Oliveira de Frades | 1,091.33 mi (1,756.32 km) |
