| Sigmaringen to Siran | 1,568.32 mi (2,523.97 km) |
| Sigmaringen to Sirnak | 1,818.46 mi (2,926.53 km) |
| Sigmaringen to Sirvan | 1,777.96 mi (2,861.35 km) |
| Sigmaringen to Sivas | 1,488.35 mi (2,395.27 km) |
| Sigmaringen to Sivasli | 1,218.83 mi (1,961.52 km) |
| Sigmaringen to Siverek | 1,667.96 mi (2,684.32 km) |
| Sigmaringen to Sivrice | 1,640.57 mi (2,640.24 km) |
| Sigmaringen to Sivrihisar | 1,257.03 mi (2,023.00 km) |
| Sigmaringen to Sogut | 1,175.53 mi (1,891.84 km) |
| Sigmaringen to Sogutlu | 1,154.72 mi (1,858.35 km) |
| Sigmaringen to Soke | 1,160.12 mi (1,867.04 km) |
| Sigmaringen to Solhan | 1,699.82 mi (2,735.59 km) |
| Sigmaringen to Soma | 1,101.84 mi (1,773.23 km) |
| Sigmaringen to Sorgun | 1,403.97 mi (2,259.48 km) |
| Sigmaringen to Suhut | 1,252.93 mi (2,016.39 km) |
