| Rockville to Dillenburg | 4,020.22 mi (6,469.92 km) |
| Rockville to Dillingen | 4,173.07 mi (6,715.90 km) |
| Rockville to Dillingen | 3,996.95 mi (6,432.47 km) |
| Rockville to Dingolfing | 4,253.39 mi (6,845.17 km) |
| Rockville to Dinkelsbuhl | 4,151.43 mi (6,681.08 km) |
| Rockville to Dinklage | 3,960.41 mi (6,373.66 km) |
| Rockville to Dinslaken | 3,935.57 mi (6,333.69 km) |
| Rockville to Dippoldiswalde | 4,226.55 mi (6,801.97 km) |
| Rockville to Ditzingen | 4,107.90 mi (6,611.03 km) |
| Rockville to Dobeln | 4,197.98 mi (6,755.99 km) |
| Rockville to Doberlug-Kirchhain | 4,199.69 mi (6,758.74 km) |
| Rockville to Donaueschingen | 4,111.11 mi (6,616.20 km) |
| Rockville to Donauworth | 4,182.46 mi (6,731.02 km) |
| Rockville to Donzdorf | 4,142.92 mi (6,667.39 km) |
| Rockville to Dorfen | 4,251.13 mi (6,841.53 km) |
