| Herndon to Dillenburg | 4,034.70 mi (6,493.21 km) |
| Herndon to Dillingen | 4,187.60 mi (6,739.29 km) |
| Herndon to Dillingen | 4,011.50 mi (6,455.88 km) |
| Herndon to Dingolfing | 4,267.90 mi (6,868.51 km) |
| Herndon to Dinkelsbuhl | 4,165.95 mi (6,704.44 km) |
| Herndon to Dinklage | 3,974.78 mi (6,396.80 km) |
| Herndon to Dinslaken | 3,950.02 mi (6,356.95 km) |
| Herndon to Dippoldiswalde | 4,240.93 mi (6,825.11 km) |
| Herndon to Ditzingen | 4,122.44 mi (6,634.43 km) |
| Herndon to Dobeln | 4,212.36 mi (6,779.13 km) |
| Herndon to Doberlug-Kirchhain | 4,214.03 mi (6,781.83 km) |
| Herndon to Donaueschingen | 4,125.69 mi (6,639.66 km) |
| Herndon to Donauworth | 4,196.99 mi (6,754.40 km) |
| Herndon to Donzdorf | 4,157.46 mi (6,690.79 km) |
| Herndon to Dorfen | 4,265.65 mi (6,864.90 km) |
