| Clarksburg to Sestu | 4,420.95 mi (7,114.82 km) |
| Clarksburg to Settimo Torinese | 4,166.10 mi (6,704.70 km) |
| Clarksburg to Seveso | 4,208.78 mi (6,773.37 km) |
| Clarksburg to Sezze | 4,521.46 mi (7,276.58 km) |
| Clarksburg to Siano | 4,618.80 mi (7,433.24 km) |
| Clarksburg to Siena | 4,381.09 mi (7,050.68 km) |
| Clarksburg to Signa | 4,355.05 mi (7,008.78 km) |
| Clarksburg to Silea | 4,342.34 mi (6,988.32 km) |
| Clarksburg to Silvi Paese | 4,529.26 mi (7,289.14 km) |
| Clarksburg to Sinalunga | 4,402.10 mi (7,084.50 km) |
| Clarksburg to Siniscola | 4,403.80 mi (7,087.23 km) |
| Clarksburg to Sinnai | 4,425.95 mi (7,122.88 km) |
| Clarksburg to Siracusa | 4,787.48 mi (7,704.70 km) |
| Clarksburg to Solaro | 4,207.40 mi (6,771.16 km) |
| Clarksburg to Soliera | 4,315.09 mi (6,944.46 km) |
