| Boone to Alenquer | 3,869.99 mi (6,228.15 km) |
| Boone to Alfena | 3,839.60 mi (6,179.25 km) |
| Boone to Alijo | 3,889.66 mi (6,259.81 km) |
| Boone to Aljustrel | 3,942.22 mi (6,344.38 km) |
| Boone to Almada | 3,872.42 mi (6,232.06 km) |
| Boone to Almargem | 3,862.47 mi (6,216.04 km) |
| Boone to Almeirim | 3,886.05 mi (6,254.00 km) |
| Boone to Amadora | 3,867.30 mi (6,223.82 km) |
| Boone to Amarante | 3,861.19 mi (6,213.99 km) |
| Boone to Amares | 3,839.76 mi (6,179.49 km) |
| Boone to Amora | 3,875.78 mi (6,237.47 km) |
| Boone to Anadia | 3,863.90 mi (6,218.35 km) |
| Boone to Angra do Heroismo | 2,947.83 mi (4,744.08 km) |
| Boone to Ansiao | 3,876.87 mi (6,239.22 km) |
| Boone to Anta | 3,840.37 mi (6,180.48 km) |
