| Iowa City to Celbridge | 3,807.19 mi (6,127.08 km) |
| Iowa City to Clondalkin | 3,813.10 mi (6,136.58 km) |
| Iowa City to Clonmel | 3,791.26 mi (6,101.45 km) |
| Iowa City to Cobh | 3,783.24 mi (6,088.53 km) |
| Iowa City to Cork | 3,775.19 mi (6,075.58 km) |
| Iowa City to Donegal | 3,712.00 mi (5,973.88 km) |
| Iowa City to Douglas | 3,777.11 mi (6,078.67 km) |
| Iowa City to Drogheda | 3,803.22 mi (6,120.69 km) |
| Iowa City to Dublin | 3,817.26 mi (6,143.28 km) |
| Iowa City to Dun Dealgan | 3,792.82 mi (6,103.95 km) |
| Iowa City to Ennis | 3,728.74 mi (6,000.83 km) |
| Iowa City to Enniscorthy | 3,830.66 mi (6,164.85 km) |
| Iowa City to Finglas | 3,815.63 mi (6,140.66 km) |
| Iowa City to Galway | 3,714.43 mi (5,977.80 km) |
| Iowa City to Glanmire | 3,777.34 mi (6,079.04 km) |
