| Hackettstown to Wanaque (New Jersey) | 30.88 mi (49.70 km) |
| Hackettstown to Wantagh (New York) | 70.02 mi (112.68 km) |
| Hackettstown to Warner Robins (Georgia) | 750.48 mi (1,207.79 km) |
| Hackettstown to Warr Acres (Oklahoma) | 1,287.02 mi (2,071.25 km) |
| Hackettstown to Warren (Michigan) | 437.95 mi (704.82 km) |
| Hackettstown to Warren (Ohio) | 313.29 mi (504.19 km) |
| Hackettstown to Warrensburg (Missouri) | 1,011.49 mi (1,627.84 km) |
| Hackettstown to Warrensville Heights (Ohio) | 350.65 mi (564.31 km) |
| Hackettstown to Warrenville (Illinois) | 695.58 mi (1,119.44 km) |
| Hackettstown to Warrington (Florida) | 1,004.84 mi (1,617.14 km) |
| Hackettstown to Warsaw (Indiana) | 574.50 mi (924.57 km) |
| Hackettstown to Warwick (Rhode Island) | 185.70 mi (298.86 km) |
| Hackettstown to Wasco (California) | 2,418.56 mi (3,892.30 km) |
| Hackettstown to Washington (District of Columbia) | 177.84 mi (286.20 km) |
| Hackettstown to Washington (Illinois) | 763.48 mi (1,228.70 km) |
