| Welwyn Garden City to Jicin | 679.43 mi (1,093.43 km) |
| Welwyn Garden City to Jihlava | 710.30 mi (1,143.12 km) |
| Welwyn Garden City to Jindrichuv Hradec | 691.62 mi (1,113.06 km) |
| Welwyn Garden City to Jirkov | 597.12 mi (960.97 km) |
| Welwyn Garden City to Kadan | 591.72 mi (952.28 km) |
| Welwyn Garden City to Karlovy Vary | 577.41 mi (929.24 km) |
| Welwyn Garden City to Karvina | 826.32 mi (1,329.83 km) |
| Welwyn Garden City to Kladno | 631.15 mi (1,015.74 km) |
| Welwyn Garden City to Klasterec nad Ohri | 587.31 mi (945.19 km) |
| Welwyn Garden City to Klatovy | 613.51 mi (987.35 km) |
| Welwyn Garden City to Kolin | 680.36 mi (1,094.94 km) |
| Welwyn Garden City to Koprivnice | 814.53 mi (1,310.86 km) |
| Welwyn Garden City to Kralupy nad Vltavou | 638.47 mi (1,027.52 km) |
| Welwyn Garden City to Kraluv Dvur | 632.30 mi (1,017.60 km) |
| Welwyn Garden City to Krnov | 785.75 mi (1,264.54 km) |
