| Castel Gandolfo to Dillenburg | 654.76 mi (1,053.73 km) |
| Castel Gandolfo to Dillingen | 483.02 mi (777.35 km) |
| Castel Gandolfo to Dillingen | 597.87 mi (962.17 km) |
| Castel Gandolfo to Dingolfing | 475.86 mi (765.82 km) |
| Castel Gandolfo to Dinkelsbuhl | 518.46 mi (834.38 km) |
| Castel Gandolfo to Dinklage | 783.33 mi (1,260.65 km) |
| Castel Gandolfo to Dinslaken | 733.65 mi (1,180.69 km) |
| Castel Gandolfo to Dippoldiswalde | 633.79 mi (1,019.99 km) |
| Castel Gandolfo to Ditzingen | 519.11 mi (835.43 km) |
| Castel Gandolfo to Dobeln | 647.95 mi (1,042.77 km) |
| Castel Gandolfo to Doberlug-Kirchhain | 683.30 mi (1,099.66 km) |
| Castel Gandolfo to Donaueschingen | 474.34 mi (763.38 km) |
| Castel Gandolfo to Donauworth | 488.75 mi (786.57 km) |
| Castel Gandolfo to Donzdorf | 498.63 mi (802.47 km) |
| Castel Gandolfo to Dorfen | 451.14 mi (726.04 km) |
