| Barbastro to Solofra | 766.23 mi (1,233.13 km) |
| Barbastro to Somma Lombardo | 495.52 mi (797.47 km) |
| Barbastro to Somma Vesuviana | 744.52 mi (1,198.20 km) |
| Barbastro to Sommacampagna | 583.16 mi (938.51 km) |
| Barbastro to Sona | 583.18 mi (938.54 km) |
| Barbastro to Sondrio | 560.91 mi (902.69 km) |
| Barbastro to Sora | 693.65 mi (1,116.33 km) |
| Barbastro to Sorbolo | 552.55 mi (889.25 km) |
| Barbastro to Soresina | 535.25 mi (861.40 km) |
| Barbastro to Sorisole | 538.58 mi (866.75 km) |
| Barbastro to Sorrento | 744.66 mi (1,198.42 km) |
| Barbastro to Sorso | 445.94 mi (717.68 km) |
| Barbastro to Sortino | 860.45 mi (1,384.75 km) |
| Barbastro to Soverato Marina | 893.59 mi (1,438.10 km) |
| Barbastro to Sovicille | 570.45 mi (918.05 km) |
