| Irthlingborough to Kloten | 529.44 mi (852.05 km) |
| Irthlingborough to Koniz | 516.48 mi (831.20 km) |
| Irthlingborough to Kreuzlingen | 541.36 mi (871.24 km) |
| Irthlingborough to Kriens | 539.53 mi (868.29 km) |
| Irthlingborough to Kusnacht | 535.75 mi (862.20 km) |
| Irthlingborough to Kussnacht | 542.82 mi (873.59 km) |
| Irthlingborough to La Chaux-de-Fonds | 490.09 mi (788.72 km) |
| Irthlingborough to La Tour-de-Peilz | 526.61 mi (847.50 km) |
| Irthlingborough to Lachen | 551.16 mi (887.01 km) |
| Irthlingborough to Landecy | 521.19 mi (838.77 km) |
| Irthlingborough to Landquart | 585.32 mi (941.98 km) |
| Irthlingborough to Langenthal | 514.11 mi (827.38 km) |
| Irthlingborough to Langnau | 528.02 mi (849.77 km) |
| Irthlingborough to Lausanne | 516.12 mi (830.62 km) |
| Irthlingborough to Le Grand-Saconnex | 518.31 mi (834.13 km) |
