| Sierre to Siran | 1,633.25 mi (2,628.45 km) |
| Sierre to Sirnak | 1,877.83 mi (3,022.08 km) |
| Sierre to Sirvan | 1,838.81 mi (2,959.28 km) |
| Sierre to Sivas | 1,546.26 mi (2,488.46 km) |
| Sierre to Sivasli | 1,247.01 mi (2,006.87 km) |
| Sierre to Siverek | 1,721.12 mi (2,769.87 km) |
| Sierre to Sivrice | 1,697.12 mi (2,731.25 km) |
| Sierre to Sivrihisar | 1,298.05 mi (2,089.02 km) |
| Sierre to Sogut | 1,215.97 mi (1,956.92 km) |
| Sierre to Sogutlu | 1,202.40 mi (1,935.08 km) |
| Sierre to Soke | 1,174.05 mi (1,889.45 km) |
| Sierre to Solhan | 1,762.77 mi (2,836.90 km) |
| Sierre to Soma | 1,126.71 mi (1,813.26 km) |
| Sierre to Sorgun | 1,457.74 mi (2,346.00 km) |
| Sierre to Suhut | 1,284.60 mi (2,067.36 km) |
