| Hackettstown to Glen Burnie (Maryland) | 150.50 mi (242.21 km) |
| Hackettstown to Glen Carbon (Illinois) | 816.33 mi (1,313.76 km) |
| Hackettstown to Glen Cove (New York) | 62.56 mi (100.68 km) |
| Hackettstown to Glen Ellyn (Illinois) | 689.33 mi (1,109.37 km) |
| Hackettstown to Glen Rock (New Jersey) | 37.32 mi (60.06 km) |
| Hackettstown to Glendale (Arizona) | 2,101.62 mi (3,382.22 km) |
| Hackettstown to Glendale (California) | 2,398.67 mi (3,860.29 km) |
| Hackettstown to Glendale (Wisconsin) | 690.16 mi (1,110.70 km) |
| Hackettstown to Glendale Heights (Illinois) | 690.23 mi (1,110.83 km) |
| Hackettstown to Glendora (California) | 2,378.83 mi (3,828.36 km) |
| Hackettstown to Glenmont (Maryland) | 170.37 mi (274.19 km) |
| Hackettstown to Glenn Dale (Maryland) | 166.41 mi (267.81 km) |
| Hackettstown to Glenn Heights (Texas) | 1,343.41 mi (2,162.01 km) |
| Hackettstown to Glenpool (Oklahoma) | 1,192.43 mi (1,919.03 km) |
| Hackettstown to Glens Falls (New York) | 180.21 mi (290.02 km) |
