| Hackettstown to Elyria (Ohio) | 380.57 mi (612.47 km) |
| Hackettstown to Emeryville (California) | 2,513.76 mi (4,045.50 km) |
| Hackettstown to Emmaus (Pennsylvania) | 41.53 mi (66.84 km) |
| Hackettstown to Emporia (Kansas) | 1,146.69 mi (1,845.42 km) |
| Hackettstown to Encinitas (California) | 2,380.03 mi (3,830.28 km) |
| Hackettstown to Endicott (New York) | 107.22 mi (172.55 km) |
| Hackettstown to Endwell (New York) | 107.07 mi (172.32 km) |
| Hackettstown to Englewood (Colorado) | 1,585.22 mi (2,551.17 km) |
| Hackettstown to Englewood (Florida) | 1,050.73 mi (1,690.99 km) |
| Hackettstown to Englewood (New Jersey) | 44.59 mi (71.77 km) |
| Hackettstown to Englewood (Ohio) | 503.59 mi (810.45 km) |
| Hackettstown to Enid (Oklahoma) | 1,277.13 mi (2,055.34 km) |
| Hackettstown to Ennis (Texas) | 1,340.73 mi (2,157.70 km) |
| Hackettstown to Ensley (Florida) | 996.56 mi (1,603.80 km) |
| Hackettstown to Enterprise (Alabama) | 899.55 mi (1,447.69 km) |
