| Irthlingborough to Luban | 684.35 mi (1,101.36 km) |
| Irthlingborough to Lubartow | 987.30 mi (1,588.90 km) |
| Irthlingborough to Lubawa | 849.44 mi (1,367.04 km) |
| Irthlingborough to Lubin | 718.64 mi (1,156.53 km) |
| Irthlingborough to Lublin | 989.26 mi (1,592.06 km) |
| Irthlingborough to Lubliniec | 835.10 mi (1,343.96 km) |
| Irthlingborough to Lubon | 737.02 mi (1,186.12 km) |
| Irthlingborough to Lubsko | 661.56 mi (1,064.68 km) |
| Irthlingborough to Lukow | 971.79 mi (1,563.94 km) |
| Irthlingborough to Lwowek Slaski | 696.81 mi (1,121.40 km) |
| Irthlingborough to Makow Mazowiecki | 908.64 mi (1,462.31 km) |
| Irthlingborough to Malbork | 819.38 mi (1,318.66 km) |
| Irthlingborough to Marki | 913.42 mi (1,470.01 km) |
| Irthlingborough to Miastko | 736.17 mi (1,184.75 km) |
| Irthlingborough to Miechow | 898.27 mi (1,445.62 km) |
