| West Chicago to Arcos de Valdevez | 3,943.05 mi (6,345.73 km) |
| West Chicago to Arcozelo | 3,959.92 mi (6,372.88 km) |
| West Chicago to Arganil | 4,015.39 mi (6,462.14 km) |
| West Chicago to Arouca | 3,981.97 mi (6,408.35 km) |
| West Chicago to Arruda dos Vinhos | 4,012.04 mi (6,456.75 km) |
| West Chicago to Aveiro | 3,973.89 mi (6,395.35 km) |
| West Chicago to Aver-o-Mar | 3,942.23 mi (6,344.41 km) |
| West Chicago to Aves | 3,962.18 mi (6,376.51 km) |
| West Chicago to Azambuja | 4,018.35 mi (6,466.92 km) |
| West Chicago to Baiao | 3,983.55 mi (6,410.90 km) |
| West Chicago to Barcelos | 3,945.29 mi (6,349.34 km) |
| West Chicago to Barreiro | 4,023.17 mi (6,474.67 km) |
| West Chicago to Batalha | 4,001.03 mi (6,439.03 km) |
| West Chicago to Beja | 4,100.68 mi (6,599.41 km) |
| West Chicago to Belas | 4,009.84 mi (6,453.22 km) |
