| Hilton Head Island to Santarem | 3,965.77 mi (6,382.29 km) |
| Hilton Head Island to Santiago do Cacem | 3,990.31 mi (6,421.78 km) |
| Hilton Head Island to Santo Andre | 3,987.01 mi (6,416.47 km) |
| Hilton Head Island to Santo Tirso | 3,935.62 mi (6,333.78 km) |
| Hilton Head Island to Sao Bras de Alportel | 4,051.55 mi (6,520.34 km) |
| Hilton Head Island to Sao Felix da Marinha | 3,933.50 mi (6,330.36 km) |
| Hilton Head Island to Sao Joao da Madeira | 3,942.84 mi (6,345.40 km) |
| Hilton Head Island to Sao Joao de Ver | 3,938.64 mi (6,338.63 km) |
| Hilton Head Island to Sao Mamede de Infesta | 3,931.49 mi (6,327.13 km) |
| Hilton Head Island to Sao Pedro do Sul | 3,966.89 mi (6,384.09 km) |
| Hilton Head Island to Satao | 3,983.95 mi (6,411.54 km) |
| Hilton Head Island to Seia | 3,991.70 mi (6,424.03 km) |
| Hilton Head Island to Senhora da Hora | 3,929.21 mi (6,323.45 km) |
| Hilton Head Island to Serpa | 4,048.85 mi (6,515.99 km) |
| Hilton Head Island to Serta | 3,984.15 mi (6,411.86 km) |
