| Ironton to Dillenburg | 4,263.49 mi (6,861.43 km) |
| Ironton to Dillingen | 4,420.74 mi (7,114.50 km) |
| Ironton to Dillingen | 4,246.01 mi (6,833.29 km) |
| Ironton to Dingolfing | 4,498.70 mi (7,239.96 km) |
| Ironton to Dinkelsbuhl | 4,397.77 mi (7,077.52 km) |
| Ironton to Dinklage | 4,197.47 mi (6,755.18 km) |
| Ironton to Dinslaken | 4,177.62 mi (6,723.23 km) |
| Ironton to Dippoldiswalde | 4,463.71 mi (7,183.65 km) |
| Ironton to Ditzingen | 4,356.25 mi (7,010.71 km) |
| Ironton to Dobeln | 4,435.04 mi (7,137.51 km) |
| Ironton to Doberlug-Kirchhain | 4,434.67 mi (7,136.91 km) |
| Ironton to Donaueschingen | 4,362.58 mi (7,020.90 km) |
| Ironton to Donauworth | 4,429.40 mi (7,128.43 km) |
| Ironton to Donzdorf | 4,390.93 mi (7,066.52 km) |
| Ironton to Dorfen | 4,497.89 mi (7,238.65 km) |
