| Barreiro to Sestu | 974.61 mi (1,568.48 km) |
| Barreiro to Settimo Torinese | 971.55 mi (1,563.57 km) |
| Barreiro to Seveso | 1,046.31 mi (1,683.88 km) |
| Barreiro to Sezze | 1,182.95 mi (1,903.78 km) |
| Barreiro to Siano | 1,267.18 mi (2,039.33 km) |
| Barreiro to Siena | 1,108.03 mi (1,783.21 km) |
| Barreiro to Signa | 1,102.69 mi (1,774.61 km) |
| Barreiro to Silea | 1,191.17 mi (1,917.00 km) |
| Barreiro to Silvi Paese | 1,241.12 mi (1,997.39 km) |
| Barreiro to Sinalunga | 1,126.82 mi (1,813.43 km) |
| Barreiro to Siniscola | 1,005.31 mi (1,617.89 km) |
| Barreiro to Sinnai | 980.54 mi (1,578.02 km) |
| Barreiro to Siracusa | 1,329.04 mi (2,138.89 km) |
| Barreiro to Solaro | 1,043.20 mi (1,678.86 km) |
| Barreiro to Soliera | 1,109.64 mi (1,785.80 km) |
