| Frederick to Senftenberg | 4,212.86 mi (6,779.94 km) |
| Frederick to Siegburg | 3,969.46 mi (6,388.24 km) |
| Frederick to Siegen | 3,999.40 mi (6,436.41 km) |
| Frederick to Sigmaringen | 4,131.86 mi (6,649.59 km) |
| Frederick to Simbach am Inn | 4,280.78 mi (6,889.25 km) |
| Frederick to Simmerath | 3,938.94 mi (6,339.11 km) |
| Frederick to Sindelfingen | 4,103.70 mi (6,604.26 km) |
| Frederick to Sinsheim | 4,082.44 mi (6,570.06 km) |
| Frederick to Sinzheim | 4,068.03 mi (6,546.86 km) |
| Frederick to Sinzig | 3,978.63 mi (6,402.99 km) |
| Frederick to Soest | 3,983.36 mi (6,410.60 km) |
| Frederick to Solingen | 3,954.37 mi (6,363.95 km) |
| Frederick to Soltau | 4,009.37 mi (6,452.45 km) |
| Frederick to Sommerda | 4,112.72 mi (6,618.79 km) |
| Frederick to Sondershausen | 4,096.76 mi (6,593.09 km) |
