| Dorchester to Sinop | 1,866.54 mi (3,003.90 km) |
| Dorchester to Siran | 2,109.21 mi (3,394.45 km) |
| Dorchester to Sirnak | 2,362.48 mi (3,802.04 km) |
| Dorchester to Sirvan | 2,321.06 mi (3,735.39 km) |
| Dorchester to Sivas | 2,034.53 mi (3,274.26 km) |
| Dorchester to Sivasli | 1,772.45 mi (2,852.48 km) |
| Dorchester to Siverek | 2,216.19 mi (3,566.61 km) |
| Dorchester to Sivrice | 2,187.00 mi (3,519.64 km) |
| Dorchester to Sivrihisar | 1,810.17 mi (2,913.18 km) |
| Dorchester to Sogut | 1,728.86 mi (2,782.33 km) |
| Dorchester to Sogutlu | 1,706.53 mi (2,746.40 km) |
| Dorchester to Soke | 1,710.44 mi (2,752.69 km) |
| Dorchester to Solhan | 2,241.66 mi (3,607.60 km) |
| Dorchester to Soma | 1,654.92 mi (2,663.34 km) |
| Dorchester to Sorgun | 1,952.69 mi (3,142.55 km) |
