| Keystone to Jicin | 5,071.07 mi (8,161.09 km) |
| Keystone to Jihlava | 5,110.45 mi (8,224.48 km) |
| Keystone to Jindrichuv Hradec | 5,093.73 mi (8,197.56 km) |
| Keystone to Jirkov | 4,992.61 mi (8,034.83 km) |
| Keystone to Kadan | 4,988.79 mi (8,028.68 km) |
| Keystone to Karlovy Vary | 4,976.45 mi (8,008.82 km) |
| Keystone to Karvina | 5,215.92 mi (8,394.21 km) |
| Keystone to Kladno | 5,028.58 mi (8,092.72 km) |
| Keystone to Klasterec nad Ohri | 4,984.50 mi (8,021.78 km) |
| Keystone to Klatovy | 5,016.26 mi (8,072.90 km) |
| Keystone to Kolin | 5,076.60 mi (8,170.00 km) |
| Keystone to Koprivnice | 5,207.88 mi (8,381.27 km) |
| Keystone to Kralupy nad Vltavou | 5,034.64 mi (8,102.48 km) |
| Keystone to Kraluv Dvur | 5,031.44 mi (8,097.31 km) |
| Keystone to Krnov | 5,175.05 mi (8,328.44 km) |
