| Hillsborough to Alenquer | 3,402.64 mi (5,476.01 km) |
| Hillsborough to Alfena | 3,367.16 mi (5,418.92 km) |
| Hillsborough to Alijo | 3,416.54 mi (5,498.39 km) |
| Hillsborough to Aljustrel | 3,476.92 mi (5,595.57 km) |
| Hillsborough to Almada | 3,406.07 mi (5,481.55 km) |
| Hillsborough to Almargem | 3,395.80 mi (5,465.01 km) |
| Hillsborough to Almeirim | 3,418.04 mi (5,500.80 km) |
| Hillsborough to Amadora | 3,400.89 mi (5,473.20 km) |
| Hillsborough to Amarante | 3,388.43 mi (5,453.14 km) |
| Hillsborough to Amares | 3,366.47 mi (5,417.82 km) |
| Hillsborough to Amora | 3,409.53 mi (5,487.12 km) |
| Hillsborough to Anadia | 3,393.03 mi (5,460.55 km) |
| Hillsborough to Angra do Heroismo | 2,498.62 mi (4,021.15 km) |
| Hillsborough to Ansiao | 3,407.10 mi (5,483.20 km) |
| Hillsborough to Anta | 3,368.44 mi (5,420.98 km) |
