| Irthlingborough to Leopoldsburg | 264.64 mi (425.89 km) |
| Irthlingborough to Lessines | 221.06 mi (355.75 km) |
| Irthlingborough to Leuven | 248.74 mi (400.32 km) |
| Irthlingborough to Lichtervelde | 183.62 mi (295.50 km) |
| Irthlingborough to Liedekerke | 225.30 mi (362.59 km) |
| Irthlingborough to Liege | 290.33 mi (467.23 km) |
| Irthlingborough to Lierre | 236.42 mi (380.48 km) |
| Irthlingborough to Lille | 244.68 mi (393.78 km) |
| Irthlingborough to Lint | 233.52 mi (375.81 km) |
| Irthlingborough to Lochristi | 208.29 mi (335.20 km) |
| Irthlingborough to Lokeren | 214.17 mi (344.67 km) |
| Irthlingborough to Lommel | 264.40 mi (425.51 km) |
| Irthlingborough to Londerzeel | 229.56 mi (369.43 km) |
| Irthlingborough to Louvain-la-Neuve | 247.92 mi (398.99 km) |
| Irthlingborough to Lovendegem | 199.20 mi (320.59 km) |
