| Zerbst to Montemor-o-Novo | 1,340.47 mi (2,157.28 km) |
| Zerbst to Montemor-o-Velho | 1,278.87 mi (2,058.14 km) |
| Zerbst to Montijo | 1,362.63 mi (2,192.94 km) |
| Zerbst to Mortagua | 1,249.18 mi (2,010.36 km) |
| Zerbst to Moura | 1,341.92 mi (2,159.62 km) |
| Zerbst to Murtosa | 1,248.90 mi (2,009.92 km) |
| Zerbst to Nazare | 1,321.35 mi (2,126.50 km) |
| Zerbst to Nelas | 1,231.14 mi (1,981.33 km) |
| Zerbst to Obidos | 1,336.95 mi (2,151.61 km) |
| Zerbst to Odemira | 1,411.83 mi (2,272.12 km) |
| Zerbst to Odivelas | 1,366.96 mi (2,199.91 km) |
| Zerbst to Oeiras | 1,377.39 mi (2,216.69 km) |
| Zerbst to Olhao | 1,415.62 mi (2,278.22 km) |
| Zerbst to Oliveira de Azemeis | 1,237.84 mi (1,992.11 km) |
| Zerbst to Oliveira de Frades | 1,233.24 mi (1,984.71 km) |
