| Key Largo to Senftenberg | 5,058.47 mi (8,140.81 km) |
| Key Largo to Siegburg | 4,790.98 mi (7,710.33 km) |
| Key Largo to Siegen | 4,823.72 mi (7,763.03 km) |
| Key Largo to Sigmaringen | 4,929.51 mi (7,933.28 km) |
| Key Largo to Simbach am Inn | 5,091.71 mi (8,194.32 km) |
| Key Largo to Simmerath | 4,756.14 mi (7,654.27 km) |
| Key Largo to Sindelfingen | 4,907.51 mi (7,897.87 km) |
| Key Largo to Sinsheim | 4,891.68 mi (7,872.41 km) |
| Key Largo to Sinzheim | 4,870.03 mi (7,837.56 km) |
| Key Largo to Sinzig | 4,797.53 mi (7,720.88 km) |
| Key Largo to Soest | 4,815.07 mi (7,749.11 km) |
| Key Largo to Solingen | 4,779.48 mi (7,691.83 km) |
| Key Largo to Soltau | 4,859.11 mi (7,819.98 km) |
| Key Largo to Sommerda | 4,947.52 mi (7,962.27 km) |
| Key Largo to Sondershausen | 4,932.97 mi (7,938.85 km) |
