| Hackettstown to Deventer | 3,720.92 mi (5,988.25 km) |
| Hackettstown to Diemen | 3,672.38 mi (5,910.13 km) |
| Hackettstown to Doesburg | 3,726.41 mi (5,997.08 km) |
| Hackettstown to Doetinchem | 3,734.28 mi (6,009.75 km) |
| Hackettstown to Dokkum | 3,687.28 mi (5,934.10 km) |
| Hackettstown to Dongen | 3,688.99 mi (5,936.86 km) |
| Hackettstown to Doorn | 3,695.15 mi (5,946.76 km) |
| Hackettstown to Dordrecht | 3,674.68 mi (5,913.83 km) |
| Hackettstown to Drachten | 3,696.97 mi (5,949.69 km) |
| Hackettstown to Drimmelen | 3,682.40 mi (5,926.25 km) |
| Hackettstown to Dronten | 3,697.06 mi (5,949.84 km) |
| Hackettstown to Druten | 3,708.91 mi (5,968.91 km) |
| Hackettstown to Duiven | 3,724.24 mi (5,993.58 km) |
| Hackettstown to Echt | 3,740.94 mi (6,020.46 km) |
| Hackettstown to Edam | 3,671.01 mi (5,907.92 km) |
