| Iowa City to Sentrupert | 4,889.51 mi (7,868.90 km) |
| Iowa City to Sevnica | 4,895.85 mi (7,879.10 km) |
| Iowa City to Sezana | 4,857.05 mi (7,816.67 km) |
| Iowa City to Skocjan | 4,900.00 mi (7,885.80 km) |
| Iowa City to Skofja Loka | 4,852.28 mi (7,808.99 km) |
| Iowa City to Skofljica | 4,870.47 mi (7,838.26 km) |
| Iowa City to Slovenj Gradec | 4,865.17 mi (7,829.74 km) |
| Iowa City to Slovenska Bistrica | 4,888.44 mi (7,867.18 km) |
| Iowa City to Slovenske Konjice | 4,885.31 mi (7,862.15 km) |
| Iowa City to Smarje | 4,893.72 mi (7,875.68 km) |
| Iowa City to Smarjeske Toplice | 4,899.47 mi (7,884.94 km) |
| Iowa City to Smartno | 4,877.63 mi (7,849.78 km) |
| Iowa City to Smartno | 4,871.56 mi (7,840.01 km) |
| Iowa City to Sodrazica | 4,882.62 mi (7,857.82 km) |
| Iowa City to Solcava | 4,855.15 mi (7,813.60 km) |
