| Boston to Jicin | 679.70 mi (1,093.88 km) |
| Boston to Jihlava | 718.00 mi (1,155.51 km) |
| Boston to Jindrichuv Hradec | 702.40 mi (1,130.40 km) |
| Boston to Jirkov | 600.10 mi (965.76 km) |
| Boston to Kadan | 596.14 mi (959.40 km) |
| Boston to Karlovy Vary | 583.94 mi (939.76 km) |
| Boston to Karvina | 825.90 mi (1,329.15 km) |
| Boston to Kladno | 635.93 mi (1,023.44 km) |
| Boston to Klasterec nad Ohri | 591.85 mi (952.49 km) |
| Boston to Klatovy | 626.27 mi (1,007.88 km) |
| Boston to Kolin | 684.09 mi (1,100.94 km) |
| Boston to Koprivnice | 816.36 mi (1,313.80 km) |
| Boston to Kralupy nad Vltavou | 642.10 mi (1,033.36 km) |
| Boston to Kraluv Dvur | 638.87 mi (1,028.17 km) |
| Boston to Krnov | 785.00 mi (1,263.33 km) |
