| Iowa City to Stanmore | 4,094.35 mi (6,589.22 km) |
| Iowa City to Stannington | 3,990.14 mi (6,421.51 km) |
| Iowa City to Stansted Mountfitchet | 4,103.77 mi (6,604.39 km) |
| Iowa City to Stanwell | 4,093.97 mi (6,588.61 km) |
| Iowa City to Stapleford | 4,014.93 mi (6,461.41 km) |
| Iowa City to Staveley | 4,001.09 mi (6,439.12 km) |
| Iowa City to Stepney | 4,107.86 mi (6,610.97 km) |
| Iowa City to Stevenage | 4,088.84 mi (6,580.35 km) |
| Iowa City to Stevenston | 3,805.57 mi (6,124.47 km) |
| Iowa City to Stirling | 3,820.90 mi (6,149.15 km) |
| Iowa City to Stockport | 3,967.38 mi (6,384.89 km) |
| Iowa City to Stocksbridge | 3,985.60 mi (6,414.20 km) |
| Iowa City to Stockton-on-Tees | 3,960.23 mi (6,373.38 km) |
| Iowa City to Stoke Gifford | 4,013.82 mi (6,459.62 km) |
| Iowa City to Stoke-on-Trent | 3,979.23 mi (6,403.96 km) |
