| Key Biscayne to Sangeorgiu de Mures | 5,589.61 mi (8,995.60 km) |
| Key Biscayne to Sangeorz-Bai | 5,571.89 mi (8,967.08 km) |
| Key Biscayne to Sannicolau Mare | 5,440.44 mi (8,755.55 km) |
| Key Biscayne to Santana | 5,470.06 mi (8,803.21 km) |
| Key Biscayne to Satu Mare | 5,484.46 mi (8,826.38 km) |
| Key Biscayne to Scobinti | 5,663.84 mi (9,115.07 km) |
| Key Biscayne to Scornicesti | 5,657.70 mi (9,105.19 km) |
| Key Biscayne to Sebes | 5,570.65 mi (8,965.10 km) |
| Key Biscayne to Seini | 5,502.15 mi (8,854.86 km) |
| Key Biscayne to Sfantu-Gheorghe | 5,667.73 mi (9,121.33 km) |
| Key Biscayne to Sibiu | 5,600.81 mi (9,013.63 km) |
| Key Biscayne to Sighetu Marmatiei | 5,521.49 mi (8,885.98 km) |
| Key Biscayne to Sighisoara | 5,614.09 mi (9,035.00 km) |
| Key Biscayne to Simeria | 5,550.21 mi (8,932.21 km) |
| Key Biscayne to Sinaia | 5,674.90 mi (9,132.88 km) |
