| Letchworth to Kirchlengern | 376.35 mi (605.67 km) |
| Letchworth to Kirchlinteln | 407.15 mi (655.24 km) |
| Letchworth to Kirchseeon | 600.68 mi (966.70 km) |
| Letchworth to Kirchzarten | 456.65 mi (734.91 km) |
| Letchworth to Kirkel | 376.11 mi (605.29 km) |
| Letchworth to Kissing | 557.00 mi (896.40 km) |
| Letchworth to Kisslegg | 534.51 mi (860.21 km) |
| Letchworth to Kitzingen | 478.76 mi (770.48 km) |
| Letchworth to Kleinblittersdorf | 373.50 mi (601.09 km) |
| Letchworth to Kleve | 271.89 mi (437.57 km) |
| Letchworth to Klipphausen | 593.90 mi (955.79 km) |
| Letchworth to Klotze | 482.87 mi (777.10 km) |
| Letchworth to Koblenz | 356.87 mi (574.33 km) |
| Letchworth to Kolbermoor | 615.89 mi (991.18 km) |
| Letchworth to Kolkwitz | 616.82 mi (992.68 km) |
