| Iowa City to Sceaux | 4,294.30 mi (6,911.01 km) |
| Iowa City to Schiltigheim | 4,507.04 mi (7,253.38 km) |
| Iowa City to Scionzier | 4,564.67 mi (7,346.12 km) |
| Iowa City to Seclin | 4,256.80 mi (6,850.66 km) |
| Iowa City to Sedan | 4,359.63 mi (7,016.15 km) |
| Iowa City to Selestat | 4,510.07 mi (7,258.25 km) |
| Iowa City to Sene | 4,138.37 mi (6,660.07 km) |
| Iowa City to Senlis | 4,289.70 mi (6,903.61 km) |
| Iowa City to Sens | 4,354.45 mi (7,007.82 km) |
| Iowa City to Septemes-les-Vallons | 4,626.03 mi (7,444.88 km) |
| Iowa City to Serris | 4,310.38 mi (6,936.89 km) |
| Iowa City to Sete | 4,557.88 mi (7,335.20 km) |
| Iowa City to Sevran | 4,297.85 mi (6,916.72 km) |
| Iowa City to Sevres | 4,289.59 mi (6,903.43 km) |
| Iowa City to Seynod | 4,553.82 mi (7,328.66 km) |
