| Hackettstown to Troy (Michigan) | 445.17 mi (716.43 km) |
| Hackettstown to Troy (Missouri) | 864.22 mi (1,390.84 km) |
| Hackettstown to Troy (New York) | 142.86 mi (229.91 km) |
| Hackettstown to Troy (Ohio) | 496.79 mi (799.50 km) |
| Hackettstown to Truckee (California) | 2,372.49 mi (3,818.16 km) |
| Hackettstown to Trujillo Alto (Puerto Rico) | 1,639.73 mi (2,638.89 km) |
| Hackettstown to Trumbull Center (Connecticut) | 89.66 mi (144.29 km) |
| Hackettstown to Trussville (Alabama) | 815.12 mi (1,311.80 km) |
| Hackettstown to Tualatin (Oregon) | 2,402.41 mi (3,866.31 km) |
| Hackettstown to Tuckahoe (Virginia) | 269.70 mi (434.03 km) |
| Hackettstown to Tucker (Georgia) | 706.22 mi (1,136.54 km) |
| Hackettstown to Tucson (Arizona) | 2,074.21 mi (3,338.12 km) |
| Hackettstown to Tucson Estates (Arizona) | 2,086.33 mi (3,357.62 km) |
| Hackettstown to Tucson Mountains (Arizona) | 2,080.53 mi (3,348.29 km) |
| Hackettstown to Tukwila (Washington) | 2,357.74 mi (3,794.42 km) |
