| Iowa City to Roznava | 4,955.44 mi (7,975.00 km) |
| Iowa City to Ruzomberok | 4,894.93 mi (7,877.62 km) |
| Iowa City to Sabinov | 4,952.57 mi (7,970.39 km) |
| Iowa City to Sal'a | 4,889.32 mi (7,868.60 km) |
| Iowa City to Samorin | 4,875.45 mi (7,846.28 km) |
| Iowa City to Senec | 4,869.71 mi (7,837.04 km) |
| Iowa City to Senica | 4,847.50 mi (7,801.29 km) |
| Iowa City to Sered' | 4,877.94 mi (7,850.29 km) |
| Iowa City to Skalica | 4,835.34 mi (7,781.73 km) |
| Iowa City to Smizany | 4,941.34 mi (7,952.31 km) |
| Iowa City to Snina | 4,993.25 mi (8,035.86 km) |
| Iowa City to Spisska Nova Ves | 4,943.16 mi (7,955.24 km) |
| Iowa City to Stara L'ubovna | 4,929.57 mi (7,933.38 km) |
| Iowa City to Stara Tura | 4,854.38 mi (7,812.36 km) |
| Iowa City to Stropkov | 4,966.39 mi (7,992.63 km) |
