| Hackettstown to Tacoma (Washington) | 2,368.04 mi (3,810.99 km) |
| Hackettstown to Tahlequah (Oklahoma) | 1,140.58 mi (1,835.59 km) |
| Hackettstown to Takoma Park (Maryland) | 173.36 mi (278.99 km) |
| Hackettstown to Talladega (Alabama) | 804.01 mi (1,293.93 km) |
| Hackettstown to Tallahassee (Florida) | 891.16 mi (1,434.18 km) |
| Hackettstown to Tallmadge (Ohio) | 344.40 mi (554.27 km) |
| Hackettstown to Tamalpais-Homestead Valley (California) | 2,525.34 mi (4,064.15 km) |
| Hackettstown to Tamarac (Florida) | 1,058.70 mi (1,703.81 km) |
| Hackettstown to Tamiami (Florida) | 1,091.11 mi (1,755.98 km) |
| Hackettstown to Tampa (Florida) | 987.93 mi (1,589.91 km) |
| Hackettstown to Tanaina (Alaska) | 3,306.12 mi (5,320.68 km) |
| Hackettstown to Tanque Verde (Arizona) | 2,063.58 mi (3,321.01 km) |
| Hackettstown to Tarboro (North Carolina) | 372.53 mi (599.53 km) |
| Hackettstown to Tarpon Springs (Florida) | 986.23 mi (1,587.18 km) |
| Hackettstown to Tarrytown (New York) | 52.09 mi (83.83 km) |
