| Serris to Siran | 1,867.09 mi (3,004.79 km) |
| Serris to Sirnak | 2,117.61 mi (3,407.97 km) |
| Serris to Sirvan | 2,077.04 mi (3,342.67 km) |
| Serris to Sivas | 1,787.58 mi (2,876.83 km) |
| Serris to Sivasli | 1,512.05 mi (2,433.41 km) |
| Serris to Siverek | 1,967.10 mi (3,165.73 km) |
| Serris to Sivrice | 1,939.80 mi (3,121.80 km) |
| Serris to Sivrihisar | 1,554.21 mi (2,501.26 km) |
| Serris to Sogut | 1,472.48 mi (2,369.73 km) |
| Serris to Sogutlu | 1,453.06 mi (2,338.48 km) |
| Serris to Soke | 1,446.71 mi (2,328.26 km) |
| Serris to Solhan | 1,998.75 mi (3,216.68 km) |
| Serris to Soma | 1,393.51 mi (2,242.64 km) |
| Serris to Sorgun | 1,703.09 mi (2,740.85 km) |
| Serris to Suhut | 1,547.45 mi (2,490.38 km) |
