| Oakland to Arcos de Valdevez | 5,537.03 mi (8,910.99 km) |
| Oakland to Arcozelo | 5,565.78 mi (8,957.25 km) |
| Oakland to Arganil | 5,627.68 mi (9,056.88 km) |
| Oakland to Arouca | 5,586.58 mi (8,990.73 km) |
| Oakland to Arruda dos Vinhos | 5,646.38 mi (9,086.97 km) |
| Oakland to Aveiro | 5,585.19 mi (8,988.49 km) |
| Oakland to Aver-o-Mar | 5,544.51 mi (8,923.02 km) |
| Oakland to Aves | 5,560.65 mi (8,949.00 km) |
| Oakland to Azambuja | 5,650.34 mi (9,093.35 km) |
| Oakland to Baiao | 5,583.65 mi (8,986.02 km) |
| Oakland to Barcelos | 5,545.02 mi (8,923.85 km) |
| Oakland to Barreiro | 5,661.24 mi (9,110.88 km) |
| Oakland to Batalha | 5,625.55 mi (9,053.45 km) |
| Oakland to Beja | 5,737.95 mi (9,234.33 km) |
| Oakland to Belas | 5,648.03 mi (9,089.62 km) |
