| Council Bluffs to Senftenberg | 4,773.42 mi (7,682.08 km) |
| Council Bluffs to Siegburg | 4,574.31 mi (7,361.63 km) |
| Council Bluffs to Siegen | 4,599.18 mi (7,401.67 km) |
| Council Bluffs to Sigmaringen | 4,760.77 mi (7,661.72 km) |
| Council Bluffs to Simbach am Inn | 4,886.94 mi (7,864.77 km) |
| Council Bluffs to Simmerath | 4,550.80 mi (7,323.81 km) |
| Council Bluffs to Sindelfingen | 4,726.04 mi (7,605.82 km) |
| Council Bluffs to Sinsheim | 4,698.73 mi (7,561.88 km) |
| Council Bluffs to Sinzheim | 4,694.07 mi (7,554.38 km) |
| Council Bluffs to Sinzig | 4,586.59 mi (7,381.40 km) |
| Council Bluffs to Soest | 4,573.65 mi (7,360.58 km) |
| Council Bluffs to Solingen | 4,555.00 mi (7,330.56 km) |
| Council Bluffs to Soltau | 4,572.32 mi (7,358.43 km) |
| Council Bluffs to Sommerda | 4,693.20 mi (7,552.98 km) |
| Council Bluffs to Sondershausen | 4,675.88 mi (7,525.11 km) |
