| Frederick to Jicin | 4,299.60 mi (6,919.54 km) |
| Frederick to Jihlava | 4,344.24 mi (6,991.38 km) |
| Frederick to Jindrichuv Hradec | 4,330.06 mi (6,968.56 km) |
| Frederick to Jirkov | 4,224.08 mi (6,798.00 km) |
| Frederick to Kadan | 4,221.27 mi (6,793.47 km) |
| Frederick to Karlovy Vary | 4,210.44 mi (6,776.05 km) |
| Frederick to Karvina | 4,441.82 mi (7,148.41 km) |
| Frederick to Kladno | 4,260.89 mi (6,857.24 km) |
| Frederick to Klasterec nad Ohri | 4,217.10 mi (6,786.77 km) |
| Frederick to Klatovy | 4,254.35 mi (6,846.71 km) |
| Frederick to Kolin | 4,307.63 mi (6,932.46 km) |
| Frederick to Koprivnice | 4,435.83 mi (7,138.77 km) |
| Frederick to Kralupy nad Vltavou | 4,266.07 mi (6,865.58 km) |
| Frederick to Kraluv Dvur | 4,264.99 mi (6,863.83 km) |
| Frederick to Krnov | 4,401.27 mi (7,083.15 km) |
