| Castalla to Senftenberg | 1,140.44 mi (1,835.37 km) |
| Castalla to Siegburg | 926.46 mi (1,491.00 km) |
| Castalla to Siegen | 948.43 mi (1,526.35 km) |
| Castalla to Sigmaringen | 821.23 mi (1,321.63 km) |
| Castalla to Simbach am Inn | 955.44 mi (1,537.63 km) |
| Castalla to Simmerath | 896.47 mi (1,442.73 km) |
| Castalla to Sindelfingen | 848.47 mi (1,365.48 km) |
| Castalla to Sinsheim | 874.73 mi (1,407.74 km) |
| Castalla to Sinzheim | 828.38 mi (1,333.15 km) |
| Castalla to Sinzig | 911.78 mi (1,467.38 km) |
| Castalla to Soest | 991.84 mi (1,596.21 km) |
| Castalla to Solingen | 946.57 mi (1,523.36 km) |
| Castalla to Soltau | 1,112.73 mi (1,790.77 km) |
| Castalla to Sommerda | 1,039.64 mi (1,673.14 km) |
| Castalla to Sondershausen | 1,044.33 mi (1,680.68 km) |
