| Cerveteri to Montemor-o-Novo | 1,092.16 mi (1,757.66 km) |
| Cerveteri to Montemor-o-Velho | 1,087.05 mi (1,749.45 km) |
| Cerveteri to Montijo | 1,126.37 mi (1,812.72 km) |
| Cerveteri to Mortagua | 1,059.81 mi (1,705.59 km) |
| Cerveteri to Moura | 1,065.09 mi (1,714.09 km) |
| Cerveteri to Murtosa | 1,076.02 mi (1,731.69 km) |
| Cerveteri to Nazare | 1,116.50 mi (1,796.84 km) |
| Cerveteri to Nelas | 1,038.89 mi (1,671.94 km) |
| Cerveteri to Obidos | 1,125.72 mi (1,811.67 km) |
| Cerveteri to Odemira | 1,139.04 mi (1,833.11 km) |
| Cerveteri to Odivelas | 1,138.38 mi (1,832.05 km) |
| Cerveteri to Oeiras | 1,147.70 mi (1,847.05 km) |
| Cerveteri to Olhao | 1,114.07 mi (1,792.92 km) |
| Cerveteri to Oliveira de Azemeis | 1,066.46 mi (1,716.30 km) |
| Cerveteri to Oliveira de Frades | 1,053.16 mi (1,694.90 km) |
