| Hackettstown to Lemay (Missouri) | 836.21 mi (1,345.75 km) |
| Hackettstown to Lemon Grove (California) | 2,377.67 mi (3,826.49 km) |
| Hackettstown to Lemon Hill (California) | 2,455.32 mi (3,951.46 km) |
| Hackettstown to Lemont (Illinois) | 685.05 mi (1,102.48 km) |
| Hackettstown to Lemoore (California) | 2,422.86 mi (3,899.21 km) |
| Hackettstown to Lenexa (Kansas) | 1,064.43 mi (1,713.04 km) |
| Hackettstown to Lennox (California) | 2,411.43 mi (3,880.82 km) |
| Hackettstown to Lenoir (North Carolina) | 498.07 mi (801.57 km) |
| Hackettstown to Leominster (Massachusetts) | 195.16 mi (314.08 km) |
| Hackettstown to Leon Valley (Texas) | 1,548.37 mi (2,491.86 km) |
| Hackettstown to Levelland (Texas) | 1,588.57 mi (2,556.56 km) |
| Hackettstown to Levittown (New York) | 69.28 mi (111.49 km) |
| Hackettstown to Levittown (Pennsylvania) | 48.44 mi (77.95 km) |
| Hackettstown to Lewisburg (Tennessee) | 748.64 mi (1,204.82 km) |
| Hackettstown to Lewiston (Idaho) | 2,117.60 mi (3,407.94 km) |
