| Hackettstown to Germantown (Tennessee) | 905.37 mi (1,457.05 km) |
| Hackettstown to Germantown (Wisconsin) | 700.94 mi (1,128.05 km) |
| Hackettstown to Gibsonton (Florida) | 996.90 mi (1,604.35 km) |
| Hackettstown to Gig Harbor (Washington) | 2,373.92 mi (3,820.45 km) |
| Hackettstown to Gilbert (Arizona) | 2,084.17 mi (3,354.15 km) |
| Hackettstown to Gillette (Wyoming) | 1,569.31 mi (2,525.55 km) |
| Hackettstown to Gilroy (California) | 2,497.50 mi (4,019.33 km) |
| Hackettstown to Gladeview (Florida) | 1,082.79 mi (1,742.58 km) |
| Hackettstown to Gladstone (Missouri) | 1,047.84 mi (1,686.33 km) |
| Hackettstown to Gladstone (Oregon) | 2,393.63 mi (3,852.18 km) |
| Hackettstown to Glasgow (Delaware) | 99.26 mi (159.74 km) |
| Hackettstown to Glasgow (Kentucky) | 652.60 mi (1,050.25 km) |
| Hackettstown to Glassboro (New Jersey) | 81.05 mi (130.43 km) |
| Hackettstown to Glassmanor (Maryland) | 181.35 mi (291.85 km) |
| Hackettstown to Glen Allen (Virginia) | 262.15 mi (421.89 km) |
