| Irthlingborough to Kirchlengern | 390.88 mi (629.05 km) |
| Irthlingborough to Kirchlinteln | 418.35 mi (673.26 km) |
| Irthlingborough to Kirchseeon | 624.87 mi (1,005.63 km) |
| Irthlingborough to Kirchzarten | 483.63 mi (778.33 km) |
| Irthlingborough to Kirkel | 401.61 mi (646.33 km) |
| Irthlingborough to Kissing | 581.42 mi (935.70 km) |
| Irthlingborough to Kisslegg | 560.41 mi (901.89 km) |
| Irthlingborough to Kitzingen | 500.91 mi (806.13 km) |
| Irthlingborough to Kleinblittersdorf | 399.41 mi (642.79 km) |
| Irthlingborough to Kleve | 289.19 mi (465.41 km) |
| Irthlingborough to Klipphausen | 610.80 mi (982.99 km) |
| Irthlingborough to Klotze | 495.47 mi (797.37 km) |
| Irthlingborough to Koblenz | 379.26 mi (610.36 km) |
| Irthlingborough to Kolbermoor | 640.29 mi (1,030.45 km) |
| Irthlingborough to Kolkwitz | 631.71 mi (1,016.64 km) |
