| Iowa City to Romeoville (Illinois) | 177.13 mi (285.06 km) |
| Iowa City to Romulus (Michigan) | 421.27 mi (677.97 km) |
| Iowa City to Ronkonkoma (New York) | 956.41 mi (1,539.19 km) |
| Iowa City to Roosevelt (New York) | 934.18 mi (1,503.43 km) |
| Iowa City to Rosamond (California) | 1,514.69 mi (2,437.66 km) |
| Iowa City to Rosaryville (Maryland) | 799.98 mi (1,287.44 km) |
| Iowa City to Roscoe (Illinois) | 139.90 mi (225.15 km) |
| Iowa City to Rose Hill (Virginia) | 785.18 mi (1,263.63 km) |
| Iowa City to Roseburg (Oregon) | 1,616.41 mi (2,601.35 km) |
| Iowa City to Rosedale (California) | 1,549.86 mi (2,494.26 km) |
| Iowa City to Rosedale (Maryland) | 804.47 mi (1,294.67 km) |
| Iowa City to Roselle (Illinois) | 178.75 mi (287.68 km) |
| Iowa City to Roselle (New Jersey) | 899.62 mi (1,447.79 km) |
| Iowa City to Roselle Park (New Jersey) | 899.12 mi (1,446.99 km) |
| Iowa City to Rosemead (California) | 1,532.85 mi (2,466.88 km) |
