| Key West to Senftenberg | 5,143.18 mi (8,277.15 km) |
| Key West to Siegburg | 4,877.09 mi (7,848.92 km) |
| Key West to Siegen | 4,909.69 mi (7,901.38 km) |
| Key West to Sigmaringen | 5,017.10 mi (8,074.25 km) |
| Key West to Simbach am Inn | 5,178.69 mi (8,334.29 km) |
| Key West to Simmerath | 4,842.49 mi (7,793.24 km) |
| Key West to Sindelfingen | 4,994.75 mi (8,038.27 km) |
| Key West to Sinsheim | 4,978.61 mi (8,012.29 km) |
| Key West to Sinzheim | 4,957.34 mi (7,978.07 km) |
| Key West to Sinzig | 4,883.81 mi (7,859.73 km) |
| Key West to Soest | 4,900.55 mi (7,886.68 km) |
| Key West to Solingen | 4,865.36 mi (7,830.04 km) |
| Key West to Soltau | 4,943.37 mi (7,955.59 km) |
| Key West to Sommerda | 5,032.90 mi (8,099.68 km) |
| Key West to Sondershausen | 5,018.25 mi (8,076.09 km) |
