| Alpen to Siran | 1,735.26 mi (2,792.64 km) |
| Alpen to Sirnak | 1,990.83 mi (3,203.92 km) |
| Alpen to Sirvan | 1,948.53 mi (3,135.86 km) |
| Alpen to Sivas | 1,667.00 mi (2,682.78 km) |
| Alpen to Sivasli | 1,437.80 mi (2,313.92 km) |
| Alpen to Siverek | 1,851.01 mi (2,978.92 km) |
| Alpen to Sivrice | 1,819.14 mi (2,927.62 km) |
| Alpen to Sivrihisar | 1,461.32 mi (2,351.77 km) |
| Alpen to Sogut | 1,381.89 mi (2,223.94 km) |
| Alpen to Sogutlu | 1,352.80 mi (2,177.12 km) |
| Alpen to Soke | 1,393.22 mi (2,242.16 km) |
| Alpen to Solhan | 1,868.10 mi (3,006.41 km) |
| Alpen to Soma | 1,325.87 mi (2,133.77 km) |
| Alpen to Sorgun | 1,589.72 mi (2,558.40 km) |
| Alpen to Suhut | 1,467.77 mi (2,362.14 km) |
