| Longford to Legnica | 1,018.38 mi (1,638.92 km) |
| Longford to Leszno | 1,021.90 mi (1,644.58 km) |
| Longford to Lezajsk | 1,297.86 mi (2,088.70 km) |
| Longford to Libiaz | 1,174.89 mi (1,890.80 km) |
| Longford to Lidzbark | 1,128.63 mi (1,816.36 km) |
| Longford to Lidzbark Warminski | 1,147.40 mi (1,846.56 km) |
| Longford to Limanowa | 1,231.17 mi (1,981.38 km) |
| Longford to Lipno | 1,108.74 mi (1,784.34 km) |
| Longford to Lobez | 953.96 mi (1,535.24 km) |
| Longford to Lodz | 1,140.57 mi (1,835.57 km) |
| Longford to Lomianki | 1,187.58 mi (1,911.22 km) |
| Longford to Lomza | 1,220.63 mi (1,964.42 km) |
| Longford to Lowicz | 1,153.51 mi (1,856.40 km) |
| Longford to Lubaczow | 1,328.87 mi (2,138.60 km) |
| Longford to Luban | 984.82 mi (1,584.92 km) |
