| Iowa City to Suhut | 5,807.30 mi (9,345.95 km) |
| Iowa City to Sulakyurt | 5,825.51 mi (9,375.25 km) |
| Iowa City to Sultanbeyli | 5,634.45 mi (9,067.77 km) |
| Iowa City to Sultandagi | 5,830.74 mi (9,383.67 km) |
| Iowa City to Sultanhani | 5,924.12 mi (9,533.94 km) |
| Iowa City to Sultanhisar | 5,757.52 mi (9,265.83 km) |
| Iowa City to Suluova | 5,849.84 mi (9,414.41 km) |
| Iowa City to Sumbas | 6,050.26 mi (9,736.96 km) |
| Iowa City to Sungurlu | 5,846.58 mi (9,409.16 km) |
| Iowa City to Surmene | 5,980.24 mi (9,624.26 km) |
| Iowa City to Suruc | 6,153.27 mi (9,902.72 km) |
| Iowa City to Susehri | 5,962.59 mi (9,595.86 km) |
| Iowa City to Susurluk | 5,651.89 mi (9,095.83 km) |
| Iowa City to Susuz | 6,074.21 mi (9,775.50 km) |
| Iowa City to Sutculer | 5,877.72 mi (9,459.28 km) |
