| Barreiro to Siran | 2,542.19 mi (4,091.27 km) |
| Barreiro to Sirnak | 2,765.15 mi (4,450.09 km) |
| Barreiro to Sirvan | 2,731.29 mi (4,395.59 km) |
| Barreiro to Sivas | 2,440.66 mi (3,927.87 km) |
| Barreiro to Sivasli | 2,077.26 mi (3,343.03 km) |
| Barreiro to Siverek | 2,596.38 mi (4,178.47 km) |
| Barreiro to Sivrice | 2,582.53 mi (4,156.19 km) |
| Barreiro to Sivrihisar | 2,160.50 mi (3,476.98 km) |
| Barreiro to Sogut | 2,082.24 mi (3,351.05 km) |
| Barreiro to Sogutlu | 2,087.73 mi (3,359.88 km) |
| Barreiro to Soke | 1,968.23 mi (3,167.56 km) |
| Barreiro to Solhan | 2,662.95 mi (4,285.61 km) |
| Barreiro to Soma | 1,958.05 mi (3,151.18 km) |
| Barreiro to Sorgun | 2,345.18 mi (3,774.20 km) |
| Barreiro to Suhut | 2,122.01 mi (3,415.04 km) |
