| Webster to Sinop | 6,566.38 mi (10,567.57 km) |
| Webster to Siran | 6,797.18 mi (10,939.01 km) |
| Webster to Sirnak | 7,052.85 mi (11,350.46 km) |
| Webster to Sirvan | 7,008.69 mi (11,279.40 km) |
| Webster to Sivas | 6,748.92 mi (10,861.33 km) |
| Webster to Sivasli | 6,543.38 mi (10,530.56 km) |
| Webster to Siverek | 6,934.41 mi (11,159.86 km) |
| Webster to Sivrice | 6,896.90 mi (11,099.48 km) |
| Webster to Sivrihisar | 6,566.89 mi (10,568.39 km) |
| Webster to Sogut | 6,488.18 mi (10,441.72 km) |
| Webster to Sogutlu | 6,456.58 mi (10,390.87 km) |
| Webster to Soke | 6,488.45 mi (10,442.15 km) |
| Webster to Solhan | 6,927.05 mi (11,148.00 km) |
| Webster to Soma | 6,428.90 mi (10,346.31 km) |
| Webster to Sorgun | 6,681.61 mi (10,753.01 km) |
