| Council Bluffs to Sangeorgiu de Mures | 5,350.51 mi (8,610.82 km) |
| Council Bluffs to Sangeorz-Bai | 5,314.89 mi (8,553.49 km) |
| Council Bluffs to Sannicolau Mare | 5,250.14 mi (8,449.28 km) |
| Council Bluffs to Santana | 5,265.15 mi (8,473.44 km) |
| Council Bluffs to Satu Mare | 5,237.31 mi (8,428.63 km) |
| Council Bluffs to Scobinti | 5,383.34 mi (8,663.64 km) |
| Council Bluffs to Scornicesti | 5,455.61 mi (8,779.96 km) |
| Council Bluffs to Sebes | 5,352.23 mi (8,613.58 km) |
| Council Bluffs to Seini | 5,251.90 mi (8,452.12 km) |
| Council Bluffs to Sfantu-Gheorghe | 5,427.81 mi (8,735.21 km) |
| Council Bluffs to Sibiu | 5,379.53 mi (8,657.52 km) |
| Council Bluffs to Sighetu Marmatiei | 5,261.68 mi (8,467.86 km) |
| Council Bluffs to Sighisoara | 5,377.99 mi (8,655.04 km) |
| Council Bluffs to Simeria | 5,339.73 mi (8,593.46 km) |
| Council Bluffs to Sinaia | 5,447.20 mi (8,766.42 km) |
