| Allentown to Legionowo | 4,307.17 mi (6,931.72 km) |
| Allentown to Legnica | 4,174.74 mi (6,718.59 km) |
| Allentown to Leszno | 4,169.03 mi (6,709.40 km) |
| Allentown to Lezajsk | 4,442.79 mi (7,149.98 km) |
| Allentown to Libiaz | 4,332.72 mi (6,972.85 km) |
| Allentown to Lidzbark | 4,238.53 mi (6,821.25 km) |
| Allentown to Lidzbark Warminski | 4,235.31 mi (6,816.08 km) |
| Allentown to Limanowa | 4,389.24 mi (7,063.80 km) |
| Allentown to Lipno | 4,229.43 mi (6,806.61 km) |
| Allentown to Lobez | 4,074.81 mi (6,557.78 km) |
| Allentown to Lodz | 4,277.67 mi (6,884.24 km) |
| Allentown to Lomianki | 4,309.58 mi (6,935.60 km) |
| Allentown to Lomza | 4,321.19 mi (6,954.29 km) |
| Allentown to Lowicz | 4,283.63 mi (6,893.83 km) |
| Allentown to Lubaczow | 4,472.41 mi (7,197.66 km) |
