| Clarksburg to Sierpc | 4,380.22 mi (7,049.28 km) |
| Clarksburg to Skarzysko-Kamienna | 4,489.25 mi (7,224.75 km) |
| Clarksburg to Skawina | 4,490.55 mi (7,226.84 km) |
| Clarksburg to Skierniewice | 4,430.31 mi (7,129.89 km) |
| Clarksburg to Skoczow | 4,457.60 mi (7,173.82 km) |
| Clarksburg to Skwierzyna | 4,238.00 mi (6,820.39 km) |
| Clarksburg to Slawno | 4,223.41 mi (6,796.93 km) |
| Clarksburg to Slubice | 4,211.37 mi (6,777.54 km) |
| Clarksburg to Slupca | 4,335.23 mi (6,976.87 km) |
| Clarksburg to Slupsk | 4,232.47 mi (6,811.50 km) |
| Clarksburg to Sochaczew | 4,423.75 mi (7,119.33 km) |
| Clarksburg to Sokolka | 4,496.41 mi (7,236.28 km) |
| Clarksburg to Sokolow Podlaski | 4,489.95 mi (7,225.88 km) |
| Clarksburg to Solec Kujawski | 4,321.73 mi (6,955.15 km) |
| Clarksburg to Sopot | 4,287.14 mi (6,899.48 km) |
