| Duchcov to Siran | 1,415.76 mi (2,278.44 km) |
| Duchcov to Sirnak | 1,671.84 mi (2,690.56 km) |
| Duchcov to Sirvan | 1,629.29 mi (2,622.10 km) |
| Duchcov to Sivas | 1,350.00 mi (2,172.62 km) |
| Duchcov to Sivasli | 1,142.93 mi (1,839.36 km) |
| Duchcov to Siverek | 1,534.72 mi (2,469.90 km) |
| Duchcov to Sivrice | 1,501.74 mi (2,416.81 km) |
| Duchcov to Sivrihisar | 1,155.92 mi (1,860.27 km) |
| Duchcov to Sogut | 1,078.44 mi (1,735.58 km) |
| Duchcov to Sogutlu | 1,044.87 mi (1,681.56 km) |
| Duchcov to Soke | 1,112.95 mi (1,791.12 km) |
| Duchcov to Solhan | 1,548.60 mi (2,492.24 km) |
| Duchcov to Soma | 1,036.96 mi (1,668.82 km) |
| Duchcov to Sorgun | 1,275.10 mi (2,052.07 km) |
| Duchcov to Suhut | 1,169.31 mi (1,881.82 km) |
