| Iowa City to Denizli | 5,796.82 mi (9,329.08 km) |
| Iowa City to Derecik | 6,324.68 mi (10,178.59 km) |
| Iowa City to Dereli | 5,940.78 mi (9,560.76 km) |
| Iowa City to Derik | 6,188.38 mi (9,959.24 km) |
| Iowa City to Derinkuyu | 5,956.43 mi (9,585.95 km) |
| Iowa City to Develi | 5,980.26 mi (9,624.29 km) |
| Iowa City to Dicle | 6,124.54 mi (9,856.49 km) |
| Iowa City to Digor | 6,105.62 mi (9,826.04 km) |
| Iowa City to Dikili | 5,650.94 mi (9,094.30 km) |
| Iowa City to Divrigi | 6,008.40 mi (9,669.58 km) |
| Iowa City to Diyadin | 6,162.05 mi (9,916.87 km) |
| Iowa City to Diyarbakir | 6,156.25 mi (9,907.53 km) |
| Iowa City to Doganhisar | 5,866.77 mi (9,441.66 km) |
| Iowa City to Dogansehir | 6,072.74 mi (9,773.13 km) |
| Iowa City to Dogubayazit | 6,172.98 mi (9,934.45 km) |
