| Welwyn Garden City to Kelkheim (Taunus) | 393.03 mi (632.52 km) |
| Welwyn Garden City to Kelsterbach | 398.26 mi (640.94 km) |
| Welwyn Garden City to Kemberg | 547.41 mi (880.97 km) |
| Welwyn Garden City to Kempen | 285.41 mi (459.32 km) |
| Welwyn Garden City to Kempten | 546.18 mi (878.99 km) |
| Welwyn Garden City to Kenzingen | 432.51 mi (696.05 km) |
| Welwyn Garden City to Kerpen | 304.17 mi (489.51 km) |
| Welwyn Garden City to Ketsch | 417.97 mi (672.66 km) |
| Welwyn Garden City to Kevelaer | 276.29 mi (444.64 km) |
| Welwyn Garden City to Kiel | 462.36 mi (744.10 km) |
| Welwyn Garden City to Kierspe | 337.04 mi (542.42 km) |
| Welwyn Garden City to Kirchhain | 399.07 mi (642.24 km) |
| Welwyn Garden City to Kirchheim bei Munchen | 586.10 mi (943.24 km) |
| Welwyn Garden City to Kirchheim unter Teck | 478.37 mi (769.86 km) |
| Welwyn Garden City to Kirchhundem | 359.48 mi (578.52 km) |
