| Iowa City to Greenford | 4,096.07 mi (6,591.98 km) |
| Iowa City to Greenock | 3,796.61 mi (6,110.05 km) |
| Iowa City to Greetland | 3,968.60 mi (6,386.84 km) |
| Iowa City to Grimsby | 4,037.20 mi (6,497.25 km) |
| Iowa City to Guildford | 4,097.80 mi (6,594.78 km) |
| Iowa City to Guisborough | 3,970.72 mi (6,390.26 km) |
| Iowa City to Guiseley | 3,968.57 mi (6,386.79 km) |
| Iowa City to Hackney | 4,107.69 mi (6,610.69 km) |
| Iowa City to Haddington | 3,866.00 mi (6,221.72 km) |
| Iowa City to Hadleigh | 4,130.93 mi (6,648.09 km) |
| Iowa City to Hailsham | 4,141.80 mi (6,665.58 km) |
| Iowa City to Halesowen | 4,001.93 mi (6,440.49 km) |
| Iowa City to Halewood | 3,943.64 mi (6,346.68 km) |
| Iowa City to Halifax | 3,967.68 mi (6,385.37 km) |
| Iowa City to Halstead | 4,118.51 mi (6,628.11 km) |
