| Hard to Siran | 1,540.33 mi (2,478.92 km) |
| Hard to Sirnak | 1,789.04 mi (2,879.19 km) |
| Hard to Sirvan | 1,748.94 mi (2,814.64 km) |
| Hard to Sivas | 1,458.31 mi (2,346.92 km) |
| Hard to Sivasli | 1,181.49 mi (1,901.42 km) |
| Hard to Siverek | 1,636.78 mi (2,634.14 km) |
| Hard to Sivrice | 1,610.27 mi (2,591.48 km) |
| Hard to Sivrihisar | 1,222.50 mi (1,967.43 km) |
| Hard to Sogut | 1,140.78 mi (1,835.90 km) |
| Hard to Sogutlu | 1,121.66 mi (1,805.14 km) |
| Hard to Soke | 1,120.07 mi (1,802.57 km) |
| Hard to Solhan | 1,671.34 mi (2,689.77 km) |
| Hard to Soma | 1,063.69 mi (1,711.85 km) |
| Hard to Sorgun | 1,372.74 mi (2,209.21 km) |
| Hard to Suhut | 1,216.34 mi (1,957.51 km) |
