| Rockford to Jicin | 4,584.63 mi (7,378.25 km) |
| Rockford to Jihlava | 4,637.75 mi (7,463.73 km) |
| Rockford to Jindrichuv Hradec | 4,628.23 mi (7,448.42 km) |
| Rockford to Jirkov | 4,515.91 mi (7,267.65 km) |
| Rockford to Kadan | 4,514.92 mi (7,266.06 km) |
| Rockford to Karlovy Vary | 4,506.98 mi (7,253.28 km) |
| Rockford to Karvina | 4,719.19 mi (7,594.80 km) |
| Rockford to Kladno | 4,553.45 mi (7,328.07 km) |
| Rockford to Klasterec nad Ohri | 4,511.06 mi (7,259.85 km) |
| Rockford to Klatovy | 4,556.98 mi (7,333.75 km) |
| Rockford to Kolin | 4,597.00 mi (7,398.15 km) |
| Rockford to Koprivnice | 4,717.11 mi (7,591.45 km) |
| Rockford to Kralupy nad Vltavou | 4,556.97 mi (7,333.73 km) |
| Rockford to Kraluv Dvur | 4,559.65 mi (7,338.04 km) |
| Rockford to Krnov | 4,680.02 mi (7,531.76 km) |
