| Barcelona to Solofra | 660.26 mi (1,062.59 km) |
| Barcelona to Somma Lombardo | 441.39 mi (710.35 km) |
| Barcelona to Somma Vesuviana | 638.50 mi (1,027.57 km) |
| Barcelona to Sommacampagna | 515.97 mi (830.37 km) |
| Barcelona to Sona | 516.40 mi (831.07 km) |
| Barcelona to Sondrio | 506.24 mi (814.71 km) |
| Barcelona to Sora | 591.55 mi (952.00 km) |
| Barcelona to Sorbolo | 480.63 mi (773.49 km) |
| Barcelona to Soresina | 470.55 mi (757.27 km) |
| Barcelona to Sorisole | 480.04 mi (772.55 km) |
| Barcelona to Sorrento | 637.55 mi (1,026.05 km) |
| Barcelona to Sorso | 335.64 mi (540.17 km) |
| Barcelona to Sortino | 745.83 mi (1,200.30 km) |
| Barcelona to Soverato Marina | 781.90 mi (1,258.35 km) |
| Barcelona to Sovicille | 480.57 mi (773.41 km) |
