| Hackettstown to Droylsden | 3,365.89 mi (5,416.87 km) |
| Hackettstown to Dudley | 3,387.79 mi (5,452.12 km) |
| Hackettstown to Dukinfield | 3,369.04 mi (5,421.94 km) |
| Hackettstown to Dumbarton | 3,230.94 mi (5,199.70 km) |
| Hackettstown to Dumfries | 3,281.35 mi (5,280.82 km) |
| Hackettstown to Dunbar | 3,307.35 mi (5,322.67 km) |
| Hackettstown to Dunblane | 3,250.06 mi (5,230.47 km) |
| Hackettstown to Dundee | 3,283.09 mi (5,283.62 km) |
| Hackettstown to Dunfermline | 3,271.60 mi (5,265.14 km) |
| Hackettstown to Dunstable | 3,464.11 mi (5,574.95 km) |
| Hackettstown to Durham | 3,364.46 mi (5,414.57 km) |
| Hackettstown to Ealing | 3,481.27 mi (5,602.57 km) |
| Hackettstown to Earlestown | 3,347.06 mi (5,386.57 km) |
| Hackettstown to Earley | 3,457.29 mi (5,563.98 km) |
| Hackettstown to East Barnet | 3,483.99 mi (5,606.94 km) |
