| Mount Vernon to Arcos de Valdevez | 3,305.58 mi (5,319.81 km) |
| Mount Vernon to Arcozelo | 3,315.77 mi (5,336.21 km) |
| Mount Vernon to Arganil | 3,366.68 mi (5,418.14 km) |
| Mount Vernon to Arouca | 3,337.99 mi (5,371.98 km) |
| Mount Vernon to Arruda dos Vinhos | 3,351.82 mi (5,394.24 km) |
| Mount Vernon to Aveiro | 3,326.55 mi (5,353.57 km) |
| Mount Vernon to Aver-o-Mar | 3,300.36 mi (5,311.42 km) |
| Mount Vernon to Aves | 3,321.89 mi (5,346.06 km) |
| Mount Vernon to Azambuja | 3,359.26 mi (5,406.21 km) |
| Mount Vernon to Baiao | 3,341.92 mi (5,378.30 km) |
| Mount Vernon to Barcelos | 3,304.71 mi (5,318.41 km) |
| Mount Vernon to Barreiro | 3,360.82 mi (5,408.71 km) |
| Mount Vernon to Batalha | 3,346.18 mi (5,385.15 km) |
| Mount Vernon to Beja | 3,437.39 mi (5,531.95 km) |
| Mount Vernon to Belas | 3,347.66 mi (5,387.53 km) |
