| Iowa City to Droylsden | 3,964.68 mi (6,380.54 km) |
| Iowa City to Dudley | 3,998.64 mi (6,435.19 km) |
| Iowa City to Dukinfield | 3,967.72 mi (6,385.42 km) |
| Iowa City to Dumbarton | 3,803.60 mi (6,121.30 km) |
| Iowa City to Dumfries | 3,863.50 mi (6,217.70 km) |
| Iowa City to Dunbar | 3,873.80 mi (6,234.27 km) |
| Iowa City to Dunblane | 3,817.89 mi (6,144.31 km) |
| Iowa City to Dundee | 3,844.40 mi (6,186.97 km) |
| Iowa City to Dunfermline | 3,839.59 mi (6,179.23 km) |
| Iowa City to Dunstable | 4,077.52 mi (6,562.14 km) |
| Iowa City to Durham | 3,944.71 mi (6,348.40 km) |
| Iowa City to Ealing | 4,098.36 mi (6,595.67 km) |
| Iowa City to Earlestown | 3,947.76 mi (6,353.30 km) |
| Iowa City to Earley | 4,077.49 mi (6,562.09 km) |
| Iowa City to East Barnet | 4,099.12 mi (6,596.90 km) |
