| Welwyn Garden City to Kirchlengern | 376.18 mi (605.40 km) |
| Welwyn Garden City to Kirchlinteln | 408.50 mi (657.41 km) |
| Welwyn Garden City to Kirchseeon | 594.89 mi (957.38 km) |
| Welwyn Garden City to Kirchzarten | 448.78 mi (722.24 km) |
| Welwyn Garden City to Kirkel | 369.50 mi (594.65 km) |
| Welwyn Garden City to Kissing | 551.06 mi (886.85 km) |
| Welwyn Garden City to Kisslegg | 527.51 mi (848.94 km) |
| Welwyn Garden City to Kitzingen | 474.33 mi (763.36 km) |
| Welwyn Garden City to Kleinblittersdorf | 366.57 mi (589.93 km) |
| Welwyn Garden City to Kleve | 270.53 mi (435.38 km) |
| Welwyn Garden City to Klipphausen | 592.34 mi (953.27 km) |
| Welwyn Garden City to Klotze | 483.49 mi (778.10 km) |
| Welwyn Garden City to Koblenz | 352.42 mi (567.17 km) |
| Welwyn Garden City to Kolbermoor | 609.94 mi (981.60 km) |
| Welwyn Garden City to Kolkwitz | 616.25 mi (991.76 km) |
