| Potomac to Schleswig | 3,969.27 mi (6,387.93 km) |
| Potomac to Schleusingen | 4,129.19 mi (6,645.29 km) |
| Potomac to Schlitz | 4,077.90 mi (6,562.75 km) |
| Potomac to Schloss Holte-Stukenbrock | 4,005.61 mi (6,446.40 km) |
| Potomac to Schluchtern | 4,085.26 mi (6,574.59 km) |
| Potomac to Schmalkalden | 4,111.33 mi (6,616.54 km) |
| Potomac to Schmallenberg | 4,013.23 mi (6,458.67 km) |
| Potomac to Schmelz | 4,003.84 mi (6,443.56 km) |
| Potomac to Schmitten | 4,044.73 mi (6,509.37 km) |
| Potomac to Schmolln | 4,180.53 mi (6,727.91 km) |
| Potomac to Schneeberg | 4,201.22 mi (6,761.21 km) |
| Potomac to Schneverdingen | 4,016.49 mi (6,463.91 km) |
| Potomac to Schonaich | 4,117.56 mi (6,626.57 km) |
| Potomac to Schonebeck | 4,122.77 mi (6,634.96 km) |
| Potomac to Schonefeld | 4,178.01 mi (6,723.85 km) |
