| Iowa City to Deville-les-Rouen | 4,221.41 mi (6,793.71 km) |
| Iowa City to Dieppe | 4,206.36 mi (6,769.48 km) |
| Iowa City to Digne-les-Bains | 4,632.53 mi (7,455.33 km) |
| Iowa City to Dijon | 4,455.06 mi (7,169.73 km) |
| Iowa City to Dinan | 4,136.66 mi (6,657.32 km) |
| Iowa City to Dinard | 4,130.06 mi (6,646.70 km) |
| Iowa City to Divonne-les-Bains | 4,536.77 mi (7,301.22 km) |
| Iowa City to Dole | 4,482.15 mi (7,213.32 km) |
| Iowa City to Dombasle-sur-Meurthe | 4,454.15 mi (7,168.27 km) |
| Iowa City to Domerat | 4,395.12 mi (7,073.26 km) |
| Iowa City to Domont | 4,286.45 mi (6,898.38 km) |
| Iowa City to Douai | 4,265.20 mi (6,864.18 km) |
| Iowa City to Douarnenez | 4,058.05 mi (6,530.80 km) |
| Iowa City to Douchy-les-Mines | 4,279.46 mi (6,887.13 km) |
| Iowa City to Dourdan | 4,292.80 mi (6,908.60 km) |
