| Iowa City to Dillenburg | 4,441.29 mi (7,147.56 km) |
| Iowa City to Dillingen | 4,608.55 mi (7,416.75 km) |
| Iowa City to Dillingen | 4,439.79 mi (7,145.15 km) |
| Iowa City to Dingolfing | 4,679.09 mi (7,530.26 km) |
| Iowa City to Dinkelsbuhl | 4,582.18 mi (7,374.31 km) |
| Iowa City to Dinklage | 4,359.85 mi (7,016.50 km) |
| Iowa City to Dinslaken | 4,353.30 mi (7,005.97 km) |
| Iowa City to Dippoldiswalde | 4,622.87 mi (7,439.79 km) |
| Iowa City to Ditzingen | 4,546.69 mi (7,317.20 km) |
| Iowa City to Dobeln | 4,594.28 mi (7,393.79 km) |
| Iowa City to Doberlug-Kirchhain | 4,588.54 mi (7,384.54 km) |
| Iowa City to Donaueschingen | 4,561.66 mi (7,341.29 km) |
| Iowa City to Donauworth | 4,615.06 mi (7,427.23 km) |
| Iowa City to Donzdorf | 4,580.01 mi (7,370.82 km) |
| Iowa City to Dorfen | 4,682.24 mi (7,535.34 km) |
