| Hercules to Alenquer | 5,636.45 mi (9,070.99 km) |
| Hercules to Alfena | 5,552.40 mi (8,935.72 km) |
| Hercules to Alijo | 5,590.32 mi (8,996.75 km) |
| Hercules to Aljustrel | 5,723.59 mi (9,211.22 km) |
| Hercules to Almada | 5,648.27 mi (9,090.02 km) |
| Hercules to Almargem | 5,635.95 mi (9,070.18 km) |
| Hercules to Almeirim | 5,645.04 mi (9,084.82 km) |
| Hercules to Amadora | 5,642.82 mi (9,081.24 km) |
| Hercules to Amarante | 5,568.44 mi (8,961.54 km) |
| Hercules to Amares | 5,541.83 mi (8,918.72 km) |
| Hercules to Amora | 5,652.36 mi (9,096.60 km) |
| Hercules to Anadia | 5,593.87 mi (9,002.47 km) |
| Hercules to Angra do Heroismo | 4,884.73 mi (7,861.21 km) |
| Hercules to Ansiao | 5,618.29 mi (9,041.76 km) |
| Hercules to Anta | 5,559.47 mi (8,947.10 km) |
