| Williamsport to Arcos de Valdevez | 3,448.34 mi (5,549.57 km) |
| Williamsport to Arcozelo | 3,460.15 mi (5,568.58 km) |
| Williamsport to Arganil | 3,512.22 mi (5,652.38 km) |
| Williamsport to Arouca | 3,482.37 mi (5,604.33 km) |
| Williamsport to Arruda dos Vinhos | 3,500.11 mi (5,632.88 km) |
| Williamsport to Aveiro | 3,471.72 mi (5,587.19 km) |
| Williamsport to Aver-o-Mar | 3,444.18 mi (5,542.86 km) |
| Williamsport to Aves | 3,465.35 mi (5,576.94 km) |
| Williamsport to Azambuja | 3,507.29 mi (5,644.43 km) |
| Williamsport to Baiao | 3,485.73 mi (5,609.75 km) |
| Williamsport to Barcelos | 3,448.22 mi (5,549.37 km) |
| Williamsport to Barreiro | 3,509.62 mi (5,648.19 km) |
| Williamsport to Batalha | 3,493.17 mi (5,621.71 km) |
| Williamsport to Beja | 3,586.50 mi (5,771.92 km) |
| Williamsport to Belas | 3,496.41 mi (5,626.93 km) |
