| Portishead to Arcos de Valdevez | 717.28 mi (1,154.35 km) |
| Portishead to Arcozelo | 772.66 mi (1,243.47 km) |
| Portishead to Arganil | 818.45 mi (1,317.17 km) |
| Portishead to Arouca | 774.09 mi (1,245.79 km) |
| Portishead to Arruda dos Vinhos | 915.71 mi (1,473.69 km) |
| Portishead to Aveiro | 800.44 mi (1,288.18 km) |
| Portishead to Aver-o-Mar | 752.26 mi (1,210.64 km) |
| Portishead to Aves | 741.79 mi (1,193.80 km) |
| Portishead to Azambuja | 907.04 mi (1,459.74 km) |
| Portishead to Baiao | 755.41 mi (1,215.72 km) |
| Portishead to Barcelos | 742.23 mi (1,194.51 km) |
| Portishead to Barreiro | 936.61 mi (1,507.33 km) |
| Portishead to Batalha | 867.49 mi (1,396.09 km) |
| Portishead to Beja | 962.10 mi (1,548.36 km) |
| Portishead to Belas | 932.72 mi (1,501.07 km) |
