| Harrow to Jicin | 685.67 mi (1,103.48 km) |
| Harrow to Jihlava | 715.05 mi (1,150.76 km) |
| Harrow to Jindrichuv Hradec | 695.78 mi (1,119.75 km) |
| Harrow to Jirkov | 603.00 mi (970.43 km) |
| Harrow to Kadan | 597.33 mi (961.32 km) |
| Harrow to Karlovy Vary | 582.64 mi (937.66 km) |
| Harrow to Karvina | 832.50 mi (1,339.78 km) |
| Harrow to Kladno | 636.61 mi (1,024.53 km) |
| Harrow to Klasterec nad Ohri | 592.91 mi (954.20 km) |
| Harrow to Klatovy | 617.41 mi (993.63 km) |
| Harrow to Kolin | 685.94 mi (1,103.91 km) |
| Harrow to Koprivnice | 820.30 mi (1,320.14 km) |
| Harrow to Kralupy nad Vltavou | 644.14 mi (1,036.65 km) |
| Harrow to Kraluv Dvur | 637.41 mi (1,025.81 km) |
| Harrow to Krnov | 792.04 mi (1,274.67 km) |
