| Castellbisbal to Solofra | 670.27 mi (1,078.69 km) |
| Castellbisbal to Somma Lombardo | 444.17 mi (714.82 km) |
| Castellbisbal to Somma Vesuviana | 648.51 mi (1,043.68 km) |
| Castellbisbal to Sommacampagna | 520.52 mi (837.69 km) |
| Castellbisbal to Sona | 520.90 mi (838.31 km) |
| Castellbisbal to Sondrio | 509.22 mi (819.51 km) |
| Castellbisbal to Sora | 600.93 mi (967.11 km) |
| Castellbisbal to Sorbolo | 485.72 mi (781.69 km) |
| Castellbisbal to Soresina | 474.70 mi (763.96 km) |
| Castellbisbal to Sorisole | 483.44 mi (778.03 km) |
| Castellbisbal to Sorrento | 647.74 mi (1,042.44 km) |
| Castellbisbal to Sorso | 346.28 mi (557.28 km) |
| Castellbisbal to Sortino | 757.48 mi (1,219.04 km) |
| Castellbisbal to Soverato Marina | 792.90 mi (1,276.04 km) |
| Castellbisbal to Sovicille | 488.09 mi (785.51 km) |
