| Hackettstown to Delitzsch | 3,981.93 mi (6,408.30 km) |
| Hackettstown to Delmenhorst | 3,795.34 mi (6,108.01 km) |
| Hackettstown to Demmin | 3,935.99 mi (6,334.37 km) |
| Hackettstown to Denkendorf | 3,949.16 mi (6,355.56 km) |
| Hackettstown to Denzlingen | 3,909.21 mi (6,291.27 km) |
| Hackettstown to Dessau-Rosslau | 3,968.30 mi (6,386.36 km) |
| Hackettstown to Detmold | 3,836.03 mi (6,173.49 km) |
| Hackettstown to Dettingen an der Erms | 3,955.48 mi (6,365.73 km) |
| Hackettstown to Dieburg | 3,893.83 mi (6,266.52 km) |
| Hackettstown to Diedorf | 4,019.11 mi (6,468.13 km) |
| Hackettstown to Dielheim | 3,907.60 mi (6,288.68 km) |
| Hackettstown to Diepholz | 3,797.53 mi (6,111.53 km) |
| Hackettstown to Diessen am Ammersee | 4,045.53 mi (6,510.66 km) |
| Hackettstown to Dietzenbach | 3,887.70 mi (6,256.64 km) |
| Hackettstown to Diez | 3,846.59 mi (6,190.49 km) |
