| Hackettstown to Legionowo | 4,270.84 mi (6,873.26 km) |
| Hackettstown to Legnica | 4,137.84 mi (6,659.21 km) |
| Hackettstown to Leszno | 4,132.28 mi (6,650.26 km) |
| Hackettstown to Lezajsk | 4,406.17 mi (7,091.04 km) |
| Hackettstown to Libiaz | 4,295.84 mi (6,913.48 km) |
| Hackettstown to Lidzbark | 4,202.31 mi (6,762.96 km) |
| Hackettstown to Lidzbark Warminski | 4,199.35 mi (6,758.20 km) |
| Hackettstown to Limanowa | 4,352.36 mi (7,004.44 km) |
| Hackettstown to Lipno | 4,193.07 mi (6,748.10 km) |
| Hackettstown to Lobez | 4,038.37 mi (6,499.13 km) |
| Hackettstown to Lodz | 4,241.11 mi (6,825.40 km) |
| Hackettstown to Lomianki | 4,273.24 mi (6,877.12 km) |
| Hackettstown to Lomza | 4,285.13 mi (6,896.26 km) |
| Hackettstown to Lowicz | 4,247.17 mi (6,835.16 km) |
| Hackettstown to Lubaczow | 4,435.82 mi (7,138.77 km) |
