| Katy to Sinop | 6,575.99 mi (10,583.04 km) |
| Katy to Siran | 6,805.90 mi (10,953.04 km) |
| Katy to Sirnak | 7,061.22 mi (11,363.93 km) |
| Katy to Sirvan | 7,017.02 mi (11,292.80 km) |
| Katy to Sivas | 6,758.86 mi (10,877.34 km) |
| Katy to Sivasli | 6,557.30 mi (10,552.96 km) |
| Katy to Siverek | 6,944.27 mi (11,175.72 km) |
| Katy to Sivrice | 6,906.41 mi (11,114.79 km) |
| Katy to Sivrihisar | 6,579.48 mi (10,588.65 km) |
| Katy to Sogut | 6,501.04 mi (10,462.41 km) |
| Katy to Sogutlu | 6,468.83 mi (10,410.57 km) |
| Katy to Soke | 6,503.74 mi (10,466.76 km) |
| Katy to Solhan | 6,935.43 mi (11,161.49 km) |
| Katy to Soma | 6,443.29 mi (10,369.48 km) |
| Katy to Sorgun | 6,692.37 mi (10,770.32 km) |
