| North Potomac to Senftenberg | 4,222.56 mi (6,795.56 km) |
| North Potomac to Siegburg | 3,977.98 mi (6,401.93 km) |
| North Potomac to Siegen | 4,008.05 mi (6,450.33 km) |
| North Potomac to Sigmaringen | 4,139.45 mi (6,661.80 km) |
| North Potomac to Simbach am Inn | 4,289.00 mi (6,902.49 km) |
| North Potomac to Simmerath | 3,947.25 mi (6,352.48 km) |
| North Potomac to Sindelfingen | 4,111.52 mi (6,616.86 km) |
| North Potomac to Sinsheim | 4,090.49 mi (6,583.01 km) |
| North Potomac to Sinzheim | 4,075.76 mi (6,559.30 km) |
| North Potomac to Sinzig | 3,987.04 mi (6,416.51 km) |
| North Potomac to Soest | 3,992.33 mi (6,425.03 km) |
| North Potomac to Solingen | 3,963.03 mi (6,377.88 km) |
| North Potomac to Soltau | 4,019.16 mi (6,468.22 km) |
| North Potomac to Sommerda | 4,121.89 mi (6,633.55 km) |
| North Potomac to Sondershausen | 4,105.98 mi (6,607.94 km) |
