| Dour to Siran | 1,835.62 mi (2,954.15 km) |
| Dour to Sirnak | 2,089.13 mi (3,362.14 km) |
| Dour to Sirvan | 2,047.62 mi (3,295.33 km) |
| Dour to Sivas | 1,761.65 mi (2,835.09 km) |
| Dour to Sivasli | 1,507.93 mi (2,426.78 km) |
| Dour to Siverek | 1,943.77 mi (3,128.19 km) |
| Dour to Sivrice | 1,914.12 mi (3,080.48 km) |
| Dour to Sivrihisar | 1,541.30 mi (2,480.49 km) |
| Dour to Sogut | 1,460.41 mi (2,350.30 km) |
| Dour to Sogutlu | 1,436.25 mi (2,311.41 km) |
| Dour to Soke | 1,452.09 mi (2,336.92 km) |
| Dour to Solhan | 1,968.11 mi (3,167.37 km) |
| Dour to Soma | 1,392.07 mi (2,240.31 km) |
| Dour to Sorgun | 1,680.56 mi (2,704.60 km) |
| Dour to Suhut | 1,540.86 mi (2,479.78 km) |
