| West Chicago to Sinop | 5,650.85 mi (9,094.16 km) |
| West Chicago to Siran | 5,877.77 mi (9,459.35 km) |
| West Chicago to Sirnak | 6,131.93 mi (9,868.39 km) |
| West Chicago to Sirvan | 6,087.65 mi (9,797.13 km) |
| West Chicago to Sivas | 5,834.69 mi (9,390.03 km) |
| West Chicago to Sivasli | 5,651.06 mi (9,094.50 km) |
| West Chicago to Siverek | 6,019.61 mi (9,687.62 km) |
| West Chicago to Sivrice | 5,980.62 mi (9,624.88 km) |
| West Chicago to Sivrihisar | 5,666.41 mi (9,119.21 km) |
| West Chicago to Sogut | 5,589.42 mi (8,995.30 km) |
| West Chicago to Sogutlu | 5,554.32 mi (8,938.82 km) |
| West Chicago to Soke | 5,605.51 mi (9,021.20 km) |
| West Chicago to Solhan | 6,006.25 mi (9,666.13 km) |
| West Chicago to Soma | 5,539.95 mi (8,915.68 km) |
| West Chicago to Sorgun | 5,771.26 mi (9,287.94 km) |
