| Council Bluffs to Spello | 5,116.74 mi (8,234.60 km) |
| Council Bluffs to Spilamberto | 4,984.16 mi (8,021.24 km) |
| Council Bluffs to Spilimbergo | 4,979.85 mi (8,014.29 km) |
| Council Bluffs to Spinea | 4,982.70 mi (8,018.89 km) |
| Council Bluffs to Spoleto | 5,128.02 mi (8,252.75 km) |
| Council Bluffs to Spoltore | 5,196.55 mi (8,363.04 km) |
| Council Bluffs to Spresiano | 4,972.72 mi (8,002.82 km) |
| Council Bluffs to Squinzano | 5,439.03 mi (8,753.27 km) |
| Council Bluffs to Statte | 5,401.04 mi (8,692.14 km) |
| Council Bluffs to Stezzano | 4,883.47 mi (7,859.19 km) |
| Council Bluffs to Strada | 5,038.52 mi (8,108.72 km) |
| Council Bluffs to Stradella | 4,895.42 mi (7,878.42 km) |
| Council Bluffs to Striano | 5,290.23 mi (8,513.80 km) |
| Council Bluffs to Subiaco | 5,182.00 mi (8,339.62 km) |
| Council Bluffs to Sulmona | 5,207.75 mi (8,381.06 km) |
