| Castelfidardo to Senftenberg | 556.80 mi (896.09 km) |
| Castelfidardo to Siegburg | 587.59 mi (945.63 km) |
| Castelfidardo to Siegen | 574.25 mi (924.17 km) |
| Castelfidardo to Sigmaringen | 381.36 mi (613.73 km) |
| Castelfidardo to Simbach am Inn | 332.79 mi (535.58 km) |
| Castelfidardo to Simmerath | 598.99 mi (963.98 km) |
| Castelfidardo to Sindelfingen | 422.82 mi (680.47 km) |
| Castelfidardo to Sinsheim | 457.22 mi (735.83 km) |
| Castelfidardo to Sinzheim | 447.37 mi (719.97 km) |
| Castelfidardo to Sinzig | 571.64 mi (919.97 km) |
| Castelfidardo to Soest | 614.49 mi (988.92 km) |
| Castelfidardo to Solingen | 611.72 mi (984.46 km) |
| Castelfidardo to Soltau | 679.31 mi (1,093.24 km) |
| Castelfidardo to Sommerda | 543.80 mi (875.16 km) |
| Castelfidardo to Sondershausen | 560.09 mi (901.38 km) |
