| Iowa City to Spello | 4,932.64 mi (7,938.31 km) |
| Iowa City to Spilamberto | 4,801.02 mi (7,726.49 km) |
| Iowa City to Spilimbergo | 4,801.86 mi (7,727.85 km) |
| Iowa City to Spinea | 4,802.66 mi (7,729.14 km) |
| Iowa City to Spoleto | 4,943.51 mi (7,955.82 km) |
| Iowa City to Spoltore | 5,013.20 mi (8,067.97 km) |
| Iowa City to Spresiano | 4,793.34 mi (7,714.14 km) |
| Iowa City to Squinzano | 5,256.96 mi (8,460.26 km) |
| Iowa City to Statte | 5,218.13 mi (8,397.77 km) |
| Iowa City to Stezzano | 4,700.95 mi (7,565.45 km) |
| Iowa City to Strada | 4,853.96 mi (7,811.69 km) |
| Iowa City to Stradella | 4,711.43 mi (7,582.32 km) |
| Iowa City to Striano | 5,104.54 mi (8,214.96 km) |
| Iowa City to Subiaco | 4,996.51 mi (8,041.11 km) |
| Iowa City to Sulmona | 5,023.43 mi (8,084.43 km) |
