| Key Biscayne to Santa Ursula | 3,875.77 mi (6,237.45 km) |
| Key Biscayne to Santander | 4,359.73 mi (7,016.31 km) |
| Key Biscayne to Santany | 4,776.33 mi (7,686.76 km) |
| Key Biscayne to Santiago de Compostela | 4,130.98 mi (6,648.17 km) |
| Key Biscayne to Santiago del Teide | 3,858.73 mi (6,210.03 km) |
| Key Biscayne to Santiponce | 4,329.32 mi (6,967.37 km) |
| Key Biscayne to Santomera | 4,583.96 mi (7,377.17 km) |
| Key Biscayne to Santona | 4,377.12 mi (7,044.30 km) |
| Key Biscayne to Santurce-Antiguo | 4,399.61 mi (7,080.48 km) |
| Key Biscayne to Sarria | 4,188.45 mi (6,740.66 km) |
| Key Biscayne to Sauzal | 3,878.22 mi (6,241.39 km) |
| Key Biscayne to Sedavi | 4,594.39 mi (7,393.96 km) |
| Key Biscayne to Segorbe | 4,581.59 mi (7,373.36 km) |
| Key Biscayne to Segovia | 4,378.41 mi (7,046.37 km) |
| Key Biscayne to Senmanat | 4,683.27 mi (7,536.99 km) |
