| Manassas to Arcos de Valdevez | 3,544.96 mi (5,705.07 km) |
| Manassas to Arcozelo | 3,554.17 mi (5,719.89 km) |
| Manassas to Arganil | 3,604.29 mi (5,800.55 km) |
| Manassas to Arouca | 3,576.40 mi (5,755.66 km) |
| Manassas to Arruda dos Vinhos | 3,587.37 mi (5,773.31 km) |
| Manassas to Aveiro | 3,564.44 mi (5,736.42 km) |
| Manassas to Aver-o-Mar | 3,539.13 mi (5,695.68 km) |
| Manassas to Aves | 3,560.86 mi (5,730.65 km) |
| Manassas to Azambuja | 3,595.02 mi (5,785.62 km) |
| Manassas to Baiao | 3,580.67 mi (5,762.54 km) |
| Manassas to Barcelos | 3,543.66 mi (5,702.97 km) |
| Manassas to Barreiro | 3,595.92 mi (5,787.07 km) |
| Manassas to Batalha | 3,582.75 mi (5,765.88 km) |
| Manassas to Beja | 3,672.18 mi (5,909.81 km) |
| Manassas to Belas | 3,582.81 mi (5,765.98 km) |
