| Northolt to Jicin | 686.67 mi (1,105.09 km) |
| Northolt to Jihlava | 715.80 mi (1,151.97 km) |
| Northolt to Jindrichuv Hradec | 696.43 mi (1,120.80 km) |
| Northolt to Jirkov | 603.94 mi (971.95 km) |
| Northolt to Kadan | 598.23 mi (962.76 km) |
| Northolt to Karlovy Vary | 583.47 mi (939.01 km) |
| Northolt to Karvina | 833.48 mi (1,341.36 km) |
| Northolt to Kladno | 637.49 mi (1,025.93 km) |
| Northolt to Klasterec nad Ohri | 593.81 mi (955.64 km) |
| Northolt to Klatovy | 618.03 mi (994.62 km) |
| Northolt to Kolin | 686.83 mi (1,105.34 km) |
| Northolt to Koprivnice | 821.21 mi (1,321.61 km) |
| Northolt to Kralupy nad Vltavou | 645.05 mi (1,038.10 km) |
| Northolt to Kraluv Dvur | 638.23 mi (1,027.12 km) |
| Northolt to Krnov | 793.04 mi (1,276.28 km) |
