| Portici to Arcozelo | 1,196.09 mi (1,924.93 km) |
| Portici to Arganil | 1,173.82 mi (1,889.08 km) |
| Portici to Arouca | 1,176.68 mi (1,893.69 km) |
| Portici to Arruda dos Vinhos | 1,243.47 mi (2,001.17 km) |
| Portici to Aveiro | 1,200.44 mi (1,931.92 km) |
| Portici to Aver-o-Mar | 1,200.14 mi (1,931.45 km) |
| Portici to Aves | 1,175.72 mi (1,892.14 km) |
| Portici to Azambuja | 1,231.70 mi (1,982.23 km) |
| Portici to Baiao | 1,163.87 mi (1,873.06 km) |
| Portici to Barcelos | 1,191.54 mi (1,917.60 km) |
| Portici to Barreiro | 1,248.69 mi (2,009.57 km) |
| Portici to Batalha | 1,219.72 mi (1,962.96 km) |
| Portici to Beja | 1,198.31 mi (1,928.50 km) |
| Portici to Belas | 1,257.57 mi (2,023.86 km) |
| Portici to Benavente | 1,229.79 mi (1,979.16 km) |
