| Foster City to Arcos de Valdevez | 5,550.63 mi (8,932.87 km) |
| Foster City to Arcozelo | 5,579.26 mi (8,978.95 km) |
| Foster City to Arganil | 5,641.11 mi (9,078.49 km) |
| Foster City to Arouca | 5,600.08 mi (9,012.46 km) |
| Foster City to Arruda dos Vinhos | 5,659.57 mi (9,108.19 km) |
| Foster City to Aveiro | 5,598.62 mi (9,010.10 km) |
| Foster City to Aver-o-Mar | 5,558.02 mi (8,944.77 km) |
| Foster City to Aves | 5,574.21 mi (8,970.82 km) |
| Foster City to Azambuja | 5,663.56 mi (9,114.61 km) |
| Foster City to Baiao | 5,597.20 mi (9,007.82 km) |
| Foster City to Barcelos | 5,558.56 mi (8,945.64 km) |
| Foster City to Barreiro | 5,674.38 mi (9,132.03 km) |
| Foster City to Batalha | 5,638.84 mi (9,074.84 km) |
| Foster City to Beja | 5,751.12 mi (9,255.54 km) |
| Foster City to Belas | 5,661.17 mi (9,110.77 km) |
