| Greenbelt to Senftenberg | 4,214.12 mi (6,781.98 km) |
| Greenbelt to Siegburg | 3,968.63 mi (6,386.90 km) |
| Greenbelt to Siegen | 3,998.81 mi (6,435.46 km) |
| Greenbelt to Sigmaringen | 4,129.43 mi (6,645.68 km) |
| Greenbelt to Simbach am Inn | 4,279.44 mi (6,887.10 km) |
| Greenbelt to Simmerath | 3,937.75 mi (6,337.20 km) |
| Greenbelt to Sindelfingen | 4,101.68 mi (6,601.01 km) |
| Greenbelt to Sinsheim | 4,080.80 mi (6,567.42 km) |
| Greenbelt to Sinzheim | 4,065.84 mi (6,543.34 km) |
| Greenbelt to Sinzig | 3,977.61 mi (6,401.35 km) |
| Greenbelt to Soest | 3,983.33 mi (6,410.55 km) |
| Greenbelt to Solingen | 3,953.80 mi (6,363.03 km) |
| Greenbelt to Soltau | 4,010.80 mi (6,454.76 km) |
| Greenbelt to Sommerda | 4,113.05 mi (6,619.31 km) |
| Greenbelt to Sondershausen | 4,097.18 mi (6,593.77 km) |
