| Iowa City to Sosnowiec | 4,833.29 mi (7,778.43 km) |
| Iowa City to Srem | 4,682.23 mi (7,535.32 km) |
| Iowa City to Sroda Slaska | 4,709.83 mi (7,579.73 km) |
| Iowa City to Sroda Wielkopolska | 4,684.49 mi (7,538.96 km) |
| Iowa City to Stalowa Wola | 4,914.24 mi (7,908.70 km) |
| Iowa City to Starachowice | 4,860.09 mi (7,821.56 km) |
| Iowa City to Stargard Szczecinski | 4,564.14 mi (7,345.27 km) |
| Iowa City to Starogard Gdanski | 4,646.53 mi (7,477.87 km) |
| Iowa City to Stary Sacz | 4,916.24 mi (7,911.92 km) |
| Iowa City to Staszow | 4,886.18 mi (7,863.55 km) |
| Iowa City to Strzegom | 4,710.28 mi (7,580.47 km) |
| Iowa City to Strzelce Krajenskie | 4,599.50 mi (7,402.18 km) |
| Iowa City to Strzelce Opolskie | 4,795.36 mi (7,717.38 km) |
| Iowa City to Strzelin | 4,742.26 mi (7,631.92 km) |
| Iowa City to Strzyzow | 4,938.29 mi (7,947.41 km) |
