| Alcoa to Arcos de Valdevez | 3,955.44 mi (6,365.67 km) |
| Alcoa to Arcozelo | 3,964.51 mi (6,380.26 km) |
| Alcoa to Arganil | 4,014.44 mi (6,460.61 km) |
| Alcoa to Arouca | 3,986.73 mi (6,416.03 km) |
| Alcoa to Arruda dos Vinhos | 3,996.79 mi (6,432.21 km) |
| Alcoa to Aveiro | 3,974.66 mi (6,396.60 km) |
| Alcoa to Aver-o-Mar | 3,949.53 mi (6,356.15 km) |
| Alcoa to Aves | 3,971.29 mi (6,391.17 km) |
| Alcoa to Azambuja | 4,004.53 mi (6,444.66 km) |
| Alcoa to Baiao | 3,991.07 mi (6,423.01 km) |
| Alcoa to Barcelos | 3,954.09 mi (6,363.49 km) |
| Alcoa to Barreiro | 4,005.14 mi (6,445.65 km) |
| Alcoa to Batalha | 3,992.57 mi (6,425.42 km) |
| Alcoa to Beja | 4,081.26 mi (6,568.15 km) |
| Alcoa to Belas | 3,992.07 mi (6,424.61 km) |
