| Reston to Arcos de Valdevez | 3,532.06 mi (5,684.29 km) |
| Reston to Arcozelo | 3,541.43 mi (5,699.38 km) |
| Reston to Arganil | 3,591.67 mi (5,780.24 km) |
| Reston to Arouca | 3,563.66 mi (5,735.15 km) |
| Reston to Arruda dos Vinhos | 3,575.06 mi (5,753.51 km) |
| Reston to Aveiro | 3,551.78 mi (5,716.04 km) |
| Reston to Aver-o-Mar | 3,526.32 mi (5,675.07 km) |
| Reston to Aves | 3,548.02 mi (5,709.99 km) |
| Reston to Azambuja | 3,582.68 mi (5,765.77 km) |
| Reston to Baiao | 3,567.87 mi (5,741.94 km) |
| Reston to Barcelos | 3,530.83 mi (5,682.31 km) |
| Reston to Barreiro | 3,583.67 mi (5,767.36 km) |
| Reston to Batalha | 3,570.29 mi (5,745.83 km) |
| Reston to Beja | 3,659.99 mi (5,890.18 km) |
| Reston to Belas | 3,570.56 mi (5,746.26 km) |
