| Iowa City to Spout Springs (North Carolina) | 805.96 mi (1,297.06 km) |
| Iowa City to Spring (Texas) | 829.40 mi (1,334.79 km) |
| Iowa City to Spring Creek (Nevada) | 1,248.73 mi (2,009.63 km) |
| Iowa City to Spring Hill (Florida) | 1,041.55 mi (1,676.22 km) |
| Iowa City to Spring Hill (Tennessee) | 478.25 mi (769.66 km) |
| Iowa City to Spring Lake (North Carolina) | 811.29 mi (1,305.64 km) |
| Iowa City to Spring Valley (California) | 1,522.82 mi (2,450.75 km) |
| Iowa City to Spring Valley (Nevada) | 1,328.28 mi (2,137.66 km) |
| Iowa City to Spring Valley (New York) | 905.45 mi (1,457.19 km) |
| Iowa City to Springboro (Ohio) | 408.96 mi (658.15 km) |
| Iowa City to Springdale (Arkansas) | 403.13 mi (648.78 km) |
| Iowa City to Springdale (New Jersey) | 873.76 mi (1,406.17 km) |
| Iowa City to Springdale (Ohio) | 405.02 mi (651.81 km) |
| Iowa City to Springfield (Illinois) | 163.14 mi (262.55 km) |
| Iowa City to Springfield (Massachusetts) | 975.36 mi (1,569.69 km) |
