| Castelldefels to Senftenberg | 908.28 mi (1,461.74 km) |
| Castelldefels to Siegburg | 703.57 mi (1,132.29 km) |
| Castelldefels to Siegen | 723.31 mi (1,164.06 km) |
| Castelldefels to Sigmaringen | 589.07 mi (948.01 km) |
| Castelldefels to Simbach am Inn | 724.13 mi (1,165.38 km) |
| Castelldefels to Simmerath | 676.32 mi (1,088.43 km) |
| Castelldefels to Sindelfingen | 617.16 mi (993.23 km) |
| Castelldefels to Sinsheim | 644.39 mi (1,037.05 km) |
| Castelldefels to Sinzheim | 598.39 mi (963.01 km) |
| Castelldefels to Sinzig | 688.12 mi (1,107.43 km) |
| Castelldefels to Soest | 768.02 mi (1,236.01 km) |
| Castelldefels to Solingen | 724.96 mi (1,166.71 km) |
| Castelldefels to Soltau | 887.70 mi (1,428.61 km) |
| Castelldefels to Sommerda | 809.22 mi (1,302.32 km) |
| Castelldefels to Sondershausen | 814.52 mi (1,310.85 km) |
