| Philadelphia to Senftenberg | 4,098.29 mi (6,595.56 km) |
| Philadelphia to Siegburg | 3,852.19 mi (6,199.50 km) |
| Philadelphia to Siegen | 3,882.42 mi (6,248.15 km) |
| Philadelphia to Sigmaringen | 4,012.72 mi (6,457.84 km) |
| Philadelphia to Simbach am Inn | 4,162.89 mi (6,699.52 km) |
| Philadelphia to Simmerath | 3,821.23 mi (6,149.68 km) |
| Philadelphia to Sindelfingen | 3,985.02 mi (6,413.26 km) |
| Philadelphia to Sinsheim | 3,964.20 mi (6,379.76 km) |
| Philadelphia to Sinzheim | 3,949.16 mi (6,355.56 km) |
| Philadelphia to Sinzig | 3,861.13 mi (6,213.88 km) |
| Philadelphia to Soest | 3,867.08 mi (6,223.47 km) |
| Philadelphia to Solingen | 3,837.42 mi (6,175.73 km) |
| Philadelphia to Soltau | 3,895.03 mi (6,268.45 km) |
| Philadelphia to Sommerda | 3,996.90 mi (6,432.39 km) |
| Philadelphia to Sondershausen | 3,981.06 mi (6,406.90 km) |
