| West Des Moines to Senftenberg | 4,688.60 mi (7,545.58 km) |
| West Des Moines to Siegburg | 4,485.43 mi (7,218.61 km) |
| West Des Moines to Siegen | 4,510.77 mi (7,259.38 km) |
| West Des Moines to Sigmaringen | 4,670.28 mi (7,516.08 km) |
| West Des Moines to Simbach am Inn | 4,798.51 mi (7,722.45 km) |
| West Des Moines to Simmerath | 4,461.32 mi (7,179.80 km) |
| West Des Moines to Sindelfingen | 4,636.01 mi (7,460.94 km) |
| West Des Moines to Sinsheim | 4,609.15 mi (7,417.71 km) |
| West Des Moines to Sinzheim | 4,603.70 mi (7,408.94 km) |
| West Des Moines to Sinzig | 4,497.49 mi (7,238.00 km) |
| West Des Moines to Soest | 4,485.97 mi (7,219.46 km) |
| West Des Moines to Solingen | 4,466.43 mi (7,188.03 km) |
| West Des Moines to Soltau | 4,486.90 mi (7,220.97 km) |
| West Des Moines to Sommerda | 4,606.55 mi (7,413.53 km) |
| West Des Moines to Sondershausen | 4,589.32 mi (7,385.79 km) |
