| Willowbrook to Sinop | 6,924.82 mi (11,144.42 km) |
| Willowbrook to Siran | 7,116.60 mi (11,453.06 km) |
| Willowbrook to Sirnak | 7,347.13 mi (11,824.06 km) |
| Willowbrook to Sirvan | 7,304.39 mi (11,755.27 km) |
| Willowbrook to Sivas | 7,106.90 mi (11,437.45 km) |
| Willowbrook to Sivasli | 7,028.09 mi (11,310.62 km) |
| Willowbrook to Siverek | 7,279.16 mi (11,714.68 km) |
| Willowbrook to Sivrice | 7,233.60 mi (11,641.36 km) |
| Willowbrook to Sivrihisar | 7,011.72 mi (11,284.27 km) |
| Willowbrook to Sogut | 6,945.04 mi (11,176.96 km) |
| Willowbrook to Sogutlu | 6,897.32 mi (11,100.16 km) |
| Willowbrook to Soke | 7,015.57 mi (11,290.48 km) |
| Willowbrook to Solhan | 7,229.05 mi (11,634.03 km) |
| Willowbrook to Soma | 6,933.32 mi (11,158.11 km) |
| Willowbrook to Sorgun | 7,067.06 mi (11,373.34 km) |
