| Bourne to Sinop | 1,796.35 mi (2,890.94 km) |
| Bourne to Siran | 2,037.73 mi (3,279.41 km) |
| Bourne to Sirnak | 2,293.57 mi (3,691.15 km) |
| Bourne to Sirvan | 2,251.16 mi (3,622.90 km) |
| Bourne to Sivas | 1,970.19 mi (3,170.72 km) |
| Bourne to Sivasli | 1,736.04 mi (2,793.89 km) |
| Bourne to Siverek | 2,154.25 mi (3,466.94 km) |
| Bourne to Sivrice | 2,122.29 mi (3,415.49 km) |
| Bourne to Sivrihisar | 1,762.86 mi (2,837.05 km) |
| Bourne to Sogut | 1,682.98 mi (2,708.50 km) |
| Bourne to Sogutlu | 1,655.05 mi (2,663.54 km) |
| Bourne to Soke | 1,685.93 mi (2,713.24 km) |
| Bourne to Solhan | 2,170.58 mi (3,493.21 km) |
| Bourne to Soma | 1,622.27 mi (2,610.79 km) |
| Bourne to Sorgun | 1,892.93 mi (3,046.37 km) |
