| Worcester to Sinop | 1,867.12 mi (3,004.84 km) |
| Worcester to Siran | 2,109.11 mi (3,394.29 km) |
| Worcester to Sirnak | 2,364.24 mi (3,804.88 km) |
| Worcester to Sirvan | 2,322.14 mi (3,737.13 km) |
| Worcester to Sivas | 2,039.10 mi (3,281.62 km) |
| Worcester to Sivasli | 1,794.34 mi (2,887.71 km) |
| Worcester to Siverek | 2,222.45 mi (3,576.69 km) |
| Worcester to Sivrice | 2,191.43 mi (3,526.77 km) |
| Worcester to Sivrihisar | 1,825.41 mi (2,937.71 km) |
| Worcester to Sogut | 1,744.90 mi (2,808.14 km) |
| Worcester to Sogutlu | 1,719.05 mi (2,766.54 km) |
| Worcester to Soke | 1,739.34 mi (2,799.20 km) |
| Worcester to Solhan | 2,241.91 mi (3,608.00 km) |
| Worcester to Soma | 1,678.93 mi (2,701.98 km) |
| Worcester to Sorgun | 1,960.17 mi (3,154.58 km) |
