| Iowa City to Southwater | 4,113.30 mi (6,619.72 km) |
| Iowa City to Southwick | 3,946.11 mi (6,350.66 km) |
| Iowa City to Southwick | 4,124.07 mi (6,637.05 km) |
| Iowa City to Sowerby Bridge | 3,966.46 mi (6,383.40 km) |
| Iowa City to Spalding | 4,060.70 mi (6,535.06 km) |
| Iowa City to Spennymoor | 3,946.52 mi (6,351.31 km) |
| Iowa City to Spitalfields | 4,106.74 mi (6,609.16 km) |
| Iowa City to Spondon | 4,010.57 mi (6,454.39 km) |
| Iowa City to Stafford | 3,987.90 mi (6,417.91 km) |
| Iowa City to Staines-upon-Thames | 4,093.28 mi (6,587.49 km) |
| Iowa City to Stalybridge | 3,968.97 mi (6,387.45 km) |
| Iowa City to Stamford | 4,052.94 mi (6,522.58 km) |
| Iowa City to Standish | 3,942.96 mi (6,345.58 km) |
| Iowa City to Stanford le Hope | 4,125.43 mi (6,639.23 km) |
| Iowa City to Stanley | 3,982.03 mi (6,408.46 km) |
