| Irthlingborough to Kecskemet | 978.83 mi (1,575.27 km) |
| Irthlingborough to Kerepestarcsa | 939.87 mi (1,512.57 km) |
| Irthlingborough to Keszthely | 884.81 mi (1,423.97 km) |
| Irthlingborough to Kiskoros | 972.32 mi (1,564.80 km) |
| Irthlingborough to Kiskunfelegyhaza | 992.36 mi (1,597.06 km) |
| Irthlingborough to Kiskunhalas | 987.41 mi (1,589.08 km) |
| Irthlingborough to Kiskunlachaza | 941.25 mi (1,514.79 km) |
| Irthlingborough to Kiskunmajsa | 995.31 mi (1,601.80 km) |
| Irthlingborough to Kisujszallas | 1,012.68 mi (1,629.75 km) |
| Irthlingborough to Kisvarda | 1,036.90 mi (1,668.74 km) |
| Irthlingborough to Komarom | 886.78 mi (1,427.14 km) |
| Irthlingborough to Komlo | 946.99 mi (1,524.03 km) |
| Irthlingborough to Kormend | 850.26 mi (1,368.36 km) |
| Irthlingborough to Koszeg | 834.83 mi (1,343.53 km) |
| Irthlingborough to Lajosmizse | 969.30 mi (1,559.94 km) |
