| Corvallis to Arcos de Valdevez | 5,238.14 mi (8,429.98 km) |
| Corvallis to Arcozelo | 5,271.29 mi (8,483.33 km) |
| Corvallis to Arganil | 5,334.95 mi (8,585.77 km) |
| Corvallis to Arouca | 5,291.26 mi (8,515.46 km) |
| Corvallis to Arruda dos Vinhos | 5,363.07 mi (8,631.02 km) |
| Corvallis to Aveiro | 5,292.68 mi (8,517.75 km) |
| Corvallis to Aver-o-Mar | 5,248.87 mi (8,447.25 km) |
| Corvallis to Aves | 5,263.21 mi (8,470.32 km) |
| Corvallis to Azambuja | 5,365.89 mi (8,635.57 km) |
| Corvallis to Baiao | 5,286.52 mi (8,507.84 km) |
| Corvallis to Barcelos | 5,248.34 mi (8,446.38 km) |
| Corvallis to Barreiro | 5,379.40 mi (8,657.32 km) |
| Corvallis to Batalha | 5,338.14 mi (8,590.91 km) |
| Corvallis to Beja | 5,454.61 mi (8,778.34 km) |
| Corvallis to Belas | 5,366.45 mi (8,636.46 km) |
