| Clarksburg to Sinop | 5,405.48 mi (8,699.28 km) |
| Clarksburg to Siran | 5,642.29 mi (9,080.39 km) |
| Clarksburg to Sirnak | 5,899.46 mi (9,494.26 km) |
| Clarksburg to Sirvan | 5,855.88 mi (9,424.12 km) |
| Clarksburg to Sivas | 5,584.57 mi (8,987.50 km) |
| Clarksburg to Sivasli | 5,353.56 mi (8,615.72 km) |
| Clarksburg to Siverek | 5,769.92 mi (9,285.79 km) |
| Clarksburg to Sivrice | 5,735.24 mi (9,229.98 km) |
| Clarksburg to Sivrihisar | 5,384.90 mi (8,666.15 km) |
| Clarksburg to Sogut | 5,304.74 mi (8,537.15 km) |
| Clarksburg to Sogutlu | 5,277.14 mi (8,492.74 km) |
| Clarksburg to Soke | 5,291.67 mi (8,516.11 km) |
| Clarksburg to Solhan | 5,774.25 mi (9,292.76 km) |
| Clarksburg to Soma | 5,236.74 mi (8,427.73 km) |
| Clarksburg to Sorgun | 5,511.53 mi (8,869.95 km) |
