| Irthlingborough to Le Locle | 490.35 mi (789.14 km) |
| Irthlingborough to Le Mont-sur-Lausanne | 515.83 mi (830.15 km) |
| Irthlingborough to Lenzburg | 519.08 mi (835.38 km) |
| Irthlingborough to Liestal | 500.09 mi (804.82 km) |
| Irthlingborough to Littau | 538.10 mi (865.98 km) |
| Irthlingborough to Locarno | 600.16 mi (965.86 km) |
| Irthlingborough to Lucerne | 539.25 mi (867.84 km) |
| Irthlingborough to Lugano | 613.37 mi (987.13 km) |
| Irthlingborough to Lutry | 518.63 mi (834.66 km) |
| Irthlingborough to Lyss | 506.44 mi (815.04 km) |
| Irthlingborough to Mannedorf | 542.35 mi (872.83 km) |
| Irthlingborough to Martigny | 551.74 mi (887.94 km) |
| Irthlingborough to Mattenhof | 533.34 mi (858.33 km) |
| Irthlingborough to Maur | 537.52 mi (865.05 km) |
| Irthlingborough to Meilen | 539.83 mi (868.77 km) |
