| Avon Lake to Arcos de Valdevez | 3,673.02 mi (5,911.16 km) |
| Avon Lake to Arcozelo | 3,687.05 mi (5,933.73 km) |
| Avon Lake to Arganil | 3,740.64 mi (6,019.99 km) |
| Avon Lake to Arouca | 3,709.21 mi (5,969.40 km) |
| Avon Lake to Arruda dos Vinhos | 3,732.30 mi (6,006.56 km) |
| Avon Lake to Aveiro | 3,699.67 mi (5,954.04 km) |
| Avon Lake to Aver-o-Mar | 3,670.31 mi (5,906.79 km) |
| Avon Lake to Aves | 3,690.97 mi (5,940.05 km) |
| Avon Lake to Azambuja | 3,739.12 mi (6,017.53 km) |
| Avon Lake to Baiao | 3,711.81 mi (5,973.58 km) |
| Avon Lake to Barcelos | 3,673.93 mi (5,912.62 km) |
| Avon Lake to Barreiro | 3,742.52 mi (6,023.01 km) |
| Avon Lake to Batalha | 3,723.60 mi (5,992.56 km) |
| Avon Lake to Beja | 3,819.74 mi (6,147.28 km) |
| Avon Lake to Belas | 3,729.25 mi (6,001.64 km) |
