| Iowa City to Norton Shores (Michigan) | 288.62 mi (464.49 km) |
| Iowa City to Norwalk (California) | 1,538.13 mi (2,475.38 km) |
| Iowa City to Norwalk (Connecticut) | 937.77 mi (1,509.19 km) |
| Iowa City to Norwalk (Iowa) | 112.29 mi (180.71 km) |
| Iowa City to Norwalk (Ohio) | 462.69 mi (744.63 km) |
| Iowa City to Norwich (Connecticut) | 1,002.38 mi (1,613.17 km) |
| Iowa City to Norwood (Ohio) | 410.13 mi (660.03 km) |
| Iowa City to Novato (California) | 1,654.46 mi (2,662.60 km) |
| Iowa City to Novi (Michigan) | 416.18 mi (669.77 km) |
| Iowa City to O'Fallon (Illinois) | 227.89 mi (366.76 km) |
| Iowa City to O'Fallon (Missouri) | 202.94 mi (326.60 km) |
| Iowa City to Oak Creek (Wisconsin) | 203.92 mi (328.18 km) |
| Iowa City to Oak Forest (Illinois) | 195.10 mi (313.99 km) |
| Iowa City to Oak Grove (Oregon) | 1,569.40 mi (2,525.70 km) |
| Iowa City to Oak Grove (South Carolina) | 775.21 mi (1,247.58 km) |
