| Hilton Head Island to Arcos de Valdevez | 3,928.37 mi (6,322.10 km) |
| Hilton Head Island to Arcozelo | 3,932.26 mi (6,328.37 km) |
| Hilton Head Island to Arganil | 3,978.06 mi (6,402.07 km) |
| Hilton Head Island to Arouca | 3,954.37 mi (6,363.94 km) |
| Hilton Head Island to Arruda dos Vinhos | 3,951.35 mi (6,359.09 km) |
| Hilton Head Island to Aveiro | 3,939.84 mi (6,340.56 km) |
| Hilton Head Island to Aver-o-Mar | 3,919.21 mi (6,307.37 km) |
| Hilton Head Island to Aves | 3,941.91 mi (6,343.89 km) |
| Hilton Head Island to Azambuja | 3,959.92 mi (6,372.88 km) |
| Hilton Head Island to Baiao | 3,960.45 mi (6,373.72 km) |
| Hilton Head Island to Barcelos | 3,924.69 mi (6,316.18 km) |
| Hilton Head Island to Barreiro | 3,957.81 mi (6,369.48 km) |
| Hilton Head Island to Batalha | 3,951.57 mi (6,359.44 km) |
| Hilton Head Island to Beja | 4,032.22 mi (6,489.23 km) |
| Hilton Head Island to Belas | 3,945.04 mi (6,348.93 km) |
