| Iowa City to Sucha Beskidzka | 4,873.45 mi (7,843.06 km) |
| Iowa City to Suchanino | 4,631.30 mi (7,453.35 km) |
| Iowa City to Sulechow | 4,636.75 mi (7,462.13 km) |
| Iowa City to Sulecin | 4,604.44 mi (7,410.13 km) |
| Iowa City to Sulejowek | 4,810.72 mi (7,742.11 km) |
| Iowa City to Suwalki | 4,773.27 mi (7,681.84 km) |
| Iowa City to Swarzedz | 4,669.86 mi (7,515.41 km) |
| Iowa City to Swidnica | 4,719.86 mi (7,595.87 km) |
| Iowa City to Swidnik | 4,903.63 mi (7,891.63 km) |
| Iowa City to Swidwin | 4,567.75 mi (7,351.09 km) |
| Iowa City to Swiebodzice | 4,714.11 mi (7,586.62 km) |
| Iowa City to Swiecie | 4,668.10 mi (7,512.58 km) |
| Iowa City to Swiedbodzin | 4,626.74 mi (7,446.02 km) |
| Iowa City to Swietochlowice | 4,825.81 mi (7,766.39 km) |
| Iowa City to Swinoujscie | 4,513.48 mi (7,263.74 km) |
