| Portici to Oliveira do Bairro | 1,193.82 mi (1,921.26 km) |
| Portici to Oliveira do Hospital | 1,162.32 mi (1,870.57 km) |
| Portici to Ourem | 1,207.55 mi (1,943.37 km) |
| Portici to Ovar | 1,197.39 mi (1,927.01 km) |
| Portici to Pacos de Ferreira | 1,182.08 mi (1,902.37 km) |
| Portici to Palmela | 1,241.69 mi (1,998.31 km) |
| Portici to Paredes | 1,179.13 mi (1,897.62 km) |
| Portici to Paredes de Coura | 1,186.51 mi (1,909.50 km) |
| Portici to Penacova | 1,185.17 mi (1,907.34 km) |
| Portici to Penafiel | 1,176.53 mi (1,893.45 km) |
| Portici to Peniche | 1,253.53 mi (2,017.36 km) |
| Portici to Peso da Regua | 1,150.59 mi (1,851.70 km) |
| Portici to Pinhal Novo | 1,241.31 mi (1,997.70 km) |
| Portici to Pinhel | 1,116.87 mi (1,797.44 km) |
| Portici to Pombal | 1,207.30 mi (1,942.96 km) |
