| Preakness to Alenquer | 3,371.14 mi (5,425.32 km) |
| Preakness to Alfena | 3,334.70 mi (5,366.68 km) |
| Preakness to Alijo | 3,383.94 mi (5,445.92 km) |
| Preakness to Aljustrel | 3,445.77 mi (5,545.43 km) |
| Preakness to Almada | 3,374.75 mi (5,431.14 km) |
| Preakness to Almargem | 3,364.43 mi (5,414.52 km) |
| Preakness to Almeirim | 3,386.42 mi (5,449.91 km) |
| Preakness to Amadora | 3,369.55 mi (5,422.77 km) |
| Preakness to Amarante | 3,355.90 mi (5,400.80 km) |
| Preakness to Amares | 3,333.84 mi (5,365.30 km) |
| Preakness to Amora | 3,378.23 mi (5,436.73 km) |
| Preakness to Anadia | 3,360.88 mi (5,408.81 km) |
| Preakness to Angra do Heroismo | 2,470.28 mi (3,975.52 km) |
| Preakness to Ansiao | 3,375.16 mi (5,431.80 km) |
| Preakness to Anta | 3,336.08 mi (5,368.90 km) |
