| Portchester to Arcos de Valdevez | 711.52 mi (1,145.09 km) |
| Portchester to Arcozelo | 765.69 mi (1,232.26 km) |
| Portchester to Arganil | 806.27 mi (1,297.56 km) |
| Portchester to Arouca | 764.70 mi (1,230.67 km) |
| Portchester to Arruda dos Vinhos | 905.68 mi (1,457.56 km) |
| Portchester to Aveiro | 792.36 mi (1,275.17 km) |
| Portchester to Aver-o-Mar | 747.02 mi (1,202.21 km) |
| Portchester to Aves | 734.13 mi (1,181.47 km) |
| Portchester to Azambuja | 896.26 mi (1,442.39 km) |
| Portchester to Baiao | 745.52 mi (1,199.80 km) |
| Portchester to Barcelos | 736.52 mi (1,185.32 km) |
| Portchester to Barreiro | 925.91 mi (1,490.11 km) |
| Portchester to Batalha | 857.70 mi (1,380.34 km) |
| Portchester to Beja | 944.81 mi (1,520.53 km) |
| Portchester to Belas | 923.19 mi (1,485.73 km) |
