| Welwyn Garden City to Kecskemet | 953.00 mi (1,533.71 km) |
| Welwyn Garden City to Kerepestarcsa | 915.02 mi (1,472.59 km) |
| Welwyn Garden City to Keszthely | 856.84 mi (1,378.95 km) |
| Welwyn Garden City to Kiskoros | 945.65 mi (1,521.88 km) |
| Welwyn Garden City to Kiskunfelegyhaza | 966.27 mi (1,555.07 km) |
| Welwyn Garden City to Kiskunhalas | 960.54 mi (1,545.84 km) |
| Welwyn Garden City to Kiskunlachaza | 915.51 mi (1,473.37 km) |
| Welwyn Garden City to Kiskunmajsa | 968.74 mi (1,559.04 km) |
| Welwyn Garden City to Kisujszallas | 988.23 mi (1,590.40 km) |
| Welwyn Garden City to Kisvarda | 1,015.34 mi (1,634.04 km) |
| Welwyn Garden City to Komarom | 861.52 mi (1,386.48 km) |
| Welwyn Garden City to Komlo | 918.75 mi (1,478.58 km) |
| Welwyn Garden City to Kormend | 822.24 mi (1,323.26 km) |
| Welwyn Garden City to Koszeg | 807.55 mi (1,299.62 km) |
| Welwyn Garden City to Lajosmizse | 943.61 mi (1,518.60 km) |
