| Boise to Jicin | 5,317.87 mi (8,558.28 km) |
| Boise to Jihlava | 5,383.37 mi (8,663.70 km) |
| Boise to Jindrichuv Hradec | 5,383.41 mi (8,663.77 km) |
| Boise to Jirkov | 5,266.96 mi (8,476.36 km) |
| Boise to Kadan | 5,269.50 mi (8,480.44 km) |
| Boise to Karlovy Vary | 5,267.56 mi (8,477.32 km) |
| Boise to Karvina | 5,428.07 mi (8,735.63 km) |
| Boise to Kladno | 5,303.23 mi (8,534.72 km) |
| Boise to Klasterec nad Ohri | 5,266.49 mi (8,475.59 km) |
| Boise to Klatovy | 5,325.58 mi (8,570.69 km) |
| Boise to Kolin | 5,337.61 mi (8,590.06 km) |
| Boise to Koprivnice | 5,433.68 mi (8,744.66 km) |
| Boise to Kralupy nad Vltavou | 5,303.34 mi (8,534.90 km) |
| Boise to Kraluv Dvur | 5,312.97 mi (8,550.39 km) |
| Boise to Krnov | 5,394.37 mi (8,681.40 km) |
