| Hackettstown to Livermore (California) | 2,490.02 mi (4,007.29 km) |
| Hackettstown to Livingston (California) | 2,443.86 mi (3,933.01 km) |
| Hackettstown to Livonia (Michigan) | 453.94 mi (730.54 km) |
| Hackettstown to Lochearn (Maryland) | 144.88 mi (233.16 km) |
| Hackettstown to Lockhart (Florida) | 923.67 mi (1,486.50 km) |
| Hackettstown to Lockhart (Texas) | 1,487.77 mi (2,394.33 km) |
| Hackettstown to Lockport (Illinois) | 687.39 mi (1,106.25 km) |
| Hackettstown to Lockport (New York) | 255.04 mi (410.45 km) |
| Hackettstown to Lodi (California) | 2,455.88 mi (3,952.35 km) |
| Hackettstown to Lodi (New Jersey) | 38.93 mi (62.65 km) |
| Hackettstown to Logan (Utah) | 1,907.57 mi (3,069.93 km) |
| Hackettstown to Logansport (Indiana) | 602.47 mi (969.58 km) |
| Hackettstown to Loganville (Georgia) | 694.51 mi (1,117.71 km) |
| Hackettstown to Loma Linda (California) | 2,350.50 mi (3,782.76 km) |
| Hackettstown to Lombard (Illinois) | 686.92 mi (1,105.49 km) |
