| Hackettstown to Greenfield (California) | 2,496.89 mi (4,018.36 km) |
| Hackettstown to Greenfield (Indiana) | 580.95 mi (934.95 km) |
| Hackettstown to Greenfield (Wisconsin) | 692.39 mi (1,114.29 km) |
| Hackettstown to Greenlawn (New York) | 76.35 mi (122.88 km) |
| Hackettstown to Greensboro (North Carolina) | 425.61 mi (684.95 km) |
| Hackettstown to Greensburg (Indiana) | 573.35 mi (922.72 km) |
| Hackettstown to Greensburg (Pennsylvania) | 250.41 mi (402.99 km) |
| Hackettstown to Greentree (New Jersey) | 66.38 mi (106.82 km) |
| Hackettstown to Greenville (Mississippi) | 1,029.75 mi (1,657.23 km) |
| Hackettstown to Greenville (North Carolina) | 388.83 mi (625.76 km) |
| Hackettstown to Greenville (Ohio) | 517.11 mi (832.21 km) |
| Hackettstown to Greenville (South Carolina) | 584.46 mi (940.60 km) |
| Hackettstown to Greenville (Texas) | 1,286.35 mi (2,070.19 km) |
| Hackettstown to Greenwood (Indiana) | 600.94 mi (967.12 km) |
| Hackettstown to Greenwood (Mississippi) | 984.49 mi (1,584.38 km) |
