| Key West to Jicin | 5,223.87 mi (8,407.01 km) |
| Key West to Jihlava | 5,260.01 mi (8,465.16 km) |
| Key West to Jindrichuv Hradec | 5,241.86 mi (8,435.96 km) |
| Key West to Jirkov | 5,143.96 mi (8,278.41 km) |
| Key West to Kadan | 5,139.57 mi (8,271.34 km) |
| Key West to Karlovy Vary | 5,126.39 mi (8,250.13 km) |
| Key West to Karvina | 5,369.80 mi (8,641.86 km) |
| Key West to Kladno | 5,179.31 mi (8,335.30 km) |
| Key West to Klasterec nad Ohri | 5,135.23 mi (8,264.35 km) |
| Key West to Klatovy | 5,163.70 mi (8,310.17 km) |
| Key West to Kolin | 5,227.90 mi (8,413.49 km) |
| Key West to Koprivnice | 5,360.54 mi (8,626.96 km) |
| Key West to Kralupy nad Vltavou | 5,185.87 mi (8,345.85 km) |
| Key West to Kraluv Dvur | 5,181.43 mi (8,338.70 km) |
| Key West to Krnov | 5,328.88 mi (8,576.01 km) |
