| Allentown to Arcos de Valdevez | 3,393.11 mi (5,460.69 km) |
| Allentown to Arcozelo | 3,403.58 mi (5,477.53 km) |
| Allentown to Arganil | 3,454.67 mi (5,559.76 km) |
| Allentown to Arouca | 3,425.81 mi (5,513.30 km) |
| Allentown to Arruda dos Vinhos | 3,440.20 mi (5,536.46 km) |
| Allentown to Aveiro | 3,414.49 mi (5,495.09 km) |
| Allentown to Aver-o-Mar | 3,388.08 mi (5,452.58 km) |
| Allentown to Aves | 3,409.55 mi (5,487.14 km) |
| Allentown to Azambuja | 3,447.60 mi (5,548.38 km) |
| Allentown to Baiao | 3,429.64 mi (5,519.47 km) |
| Allentown to Barcelos | 3,392.38 mi (5,459.50 km) |
| Allentown to Barreiro | 3,449.25 mi (5,551.04 km) |
| Allentown to Batalha | 3,434.38 mi (5,527.10 km) |
| Allentown to Beja | 3,525.87 mi (5,674.33 km) |
| Allentown to Belas | 3,436.09 mi (5,529.85 km) |
