| Hilton Head Island to Alenquer | 3,952.57 mi (6,361.04 km) |
| Hilton Head Island to Alfena | 3,934.51 mi (6,331.97 km) |
| Hilton Head Island to Alijo | 3,986.16 mi (6,415.10 km) |
| Hilton Head Island to Aljustrel | 4,020.07 mi (6,469.67 km) |
| Hilton Head Island to Almada | 3,952.82 mi (6,361.44 km) |
| Hilton Head Island to Almargem | 3,943.59 mi (6,346.59 km) |
| Hilton Head Island to Almeirim | 3,970.01 mi (6,389.11 km) |
| Hilton Head Island to Amadora | 3,947.87 mi (6,353.48 km) |
| Hilton Head Island to Amarante | 3,956.85 mi (6,367.94 km) |
| Hilton Head Island to Amares | 3,936.91 mi (6,335.85 km) |
| Hilton Head Island to Amora | 3,955.95 mi (6,366.48 km) |
| Hilton Head Island to Anadia | 3,954.66 mi (6,364.41 km) |
| Hilton Head Island to Angra do Heroismo | 3,004.58 mi (4,835.40 km) |
| Hilton Head Island to Ansiao | 3,964.89 mi (6,380.87 km) |
| Hilton Head Island to Anta | 3,933.91 mi (6,331.02 km) |
