| Frankfort to Senftenberg | 4,552.53 mi (7,326.59 km) |
| Frankfort to Siegburg | 4,320.64 mi (6,953.40 km) |
| Frankfort to Siegen | 4,349.30 mi (6,999.51 km) |
| Frankfort to Sigmaringen | 4,490.47 mi (7,226.71 km) |
| Frankfort to Simbach am Inn | 4,633.79 mi (7,457.37 km) |
| Frankfort to Simmerath | 4,291.95 mi (6,907.22 km) |
| Frankfort to Sindelfingen | 4,460.38 mi (7,178.29 km) |
| Frankfort to Sinsheim | 4,437.36 mi (7,141.25 km) |
| Frankfort to Sinzheim | 4,425.57 mi (7,122.26 km) |
| Frankfort to Sinzig | 4,330.74 mi (6,969.65 km) |
| Frankfort to Soest | 4,330.47 mi (6,969.22 km) |
| Frankfort to Solingen | 4,304.28 mi (6,927.07 km) |
| Frankfort to Soltau | 4,348.66 mi (6,998.49 km) |
| Frankfort to Sommerda | 4,457.67 mi (7,173.92 km) |
| Frankfort to Sondershausen | 4,441.23 mi (7,147.47 km) |
