| Hackettstown to Lomita (California) | 2,413.43 mi (3,884.04 km) |
| Hackettstown to Lompoc (California) | 2,501.18 mi (4,025.26 km) |
| Hackettstown to London (Ohio) | 457.94 mi (736.99 km) |
| Hackettstown to Lone Tree (Colorado) | 1,580.61 mi (2,543.75 km) |
| Hackettstown to Long Beach (California) | 2,405.45 mi (3,871.19 km) |
| Hackettstown to Long Beach (Mississippi) | 1,081.07 mi (1,739.82 km) |
| Hackettstown to Long Beach (New York) | 63.43 mi (102.09 km) |
| Hackettstown to Long Branch (New Jersey) | 58.31 mi (93.84 km) |
| Hackettstown to Longmont (Colorado) | 1,583.09 mi (2,547.74 km) |
| Hackettstown to Longview (Texas) | 1,241.63 mi (1,998.21 km) |
| Hackettstown to Longview (Washington) | 2,402.60 mi (3,866.61 km) |
| Hackettstown to Longwood (Florida) | 916.93 mi (1,475.66 km) |
| Hackettstown to Lorain (Ohio) | 384.86 mi (619.38 km) |
| Hackettstown to Lorton (Virginia) | 195.69 mi (314.93 km) |
| Hackettstown to Los Alamitos (California) | 2,399.84 mi (3,862.16 km) |
