| Clemson to Sinop | 5,843.59 mi (9,404.35 km) |
| Clemson to Siran | 6,080.21 mi (9,785.15 km) |
| Clemson to Sirnak | 6,337.36 mi (10,198.99 km) |
| Clemson to Sirvan | 6,293.74 mi (10,128.79 km) |
| Clemson to Sivas | 6,022.78 mi (9,692.73 km) |
| Clemson to Sivasli | 5,790.72 mi (9,319.26 km) |
| Clemson to Siverek | 6,208.14 mi (9,991.04 km) |
| Clemson to Sivrice | 6,173.41 mi (9,935.14 km) |
| Clemson to Sivrihisar | 5,822.78 mi (9,370.86 km) |
| Clemson to Sogut | 5,742.53 mi (9,241.71 km) |
| Clemson to Sogutlu | 5,715.18 mi (9,197.70 km) |
| Clemson to Soke | 5,727.69 mi (9,217.83 km) |
| Clemson to Solhan | 6,212.09 mi (9,997.40 km) |
| Clemson to Soma | 5,673.62 mi (9,130.81 km) |
| Clemson to Sorgun | 5,949.78 mi (9,575.25 km) |
