| Iowa City to Solymar | 4,951.39 mi (7,968.49 km) |
| Iowa City to Sopron | 4,865.63 mi (7,830.47 km) |
| Iowa City to Szarvas | 5,041.13 mi (8,112.91 km) |
| Iowa City to Szazhalombatta | 4,964.42 mi (7,989.47 km) |
| Iowa City to Szeged | 5,056.30 mi (8,137.33 km) |
| Iowa City to Szeghalom | 5,054.44 mi (8,134.34 km) |
| Iowa City to Szekesfehervar | 4,951.83 mi (7,969.20 km) |
| Iowa City to Szekszard | 5,001.29 mi (8,048.80 km) |
| Iowa City to Szentendre | 4,950.88 mi (7,967.67 km) |
| Iowa City to Szentes | 5,041.37 mi (8,113.31 km) |
| Iowa City to Szentgotthard | 4,888.33 mi (7,867.01 km) |
| Iowa City to Szigethalom | 4,966.97 mi (7,993.57 km) |
| Iowa City to Szigetszentmiklos | 4,966.96 mi (7,993.55 km) |
| Iowa City to Szigetvar | 4,983.74 mi (8,020.56 km) |
| Iowa City to Szolnok | 5,014.40 mi (8,069.90 km) |
