| Hackettstown to Abilene (Texas) | 1,491.25 mi (2,399.94 km) |
| Hackettstown to Accokeek (Maryland) | 189.83 mi (305.50 km) |
| Hackettstown to Acworth (Georgia) | 714.84 mi (1,150.42 km) |
| Hackettstown to Ada (Oklahoma) | 1,260.26 mi (2,028.19 km) |
| Hackettstown to Addison (Illinois) | 686.66 mi (1,105.08 km) |
| Hackettstown to Addison (Texas) | 1,327.89 mi (2,137.04 km) |
| Hackettstown to Adelanto (California) | 2,345.42 mi (3,774.59 km) |
| Hackettstown to Adelphi (Maryland) | 170.94 mi (275.11 km) |
| Hackettstown to Adrian (Michigan) | 483.15 mi (777.56 km) |
| Hackettstown to Affton (Missouri) | 838.06 mi (1,348.73 km) |
| Hackettstown to Agoura Hills (California) | 2,426.36 mi (3,904.86 km) |
| Hackettstown to Aguadilla (Puerto Rico) | 1,614.16 mi (2,597.74 km) |
| Hackettstown to Aiken (South Carolina) | 632.25 mi (1,017.52 km) |
| Hackettstown to Akron (Ohio) | 349.61 mi (562.65 km) |
| Hackettstown to Alabaster (Alabama) | 844.80 mi (1,359.58 km) |
