| Prospect Heights to Jicin | 4,553.18 mi (7,327.63 km) |
| Prospect Heights to Jihlava | 4,605.61 mi (7,412.01 km) |
| Prospect Heights to Jindrichuv Hradec | 4,595.68 mi (7,396.03 km) |
| Prospect Heights to Jirkov | 4,483.79 mi (7,215.97 km) |
| Prospect Heights to Kadan | 4,482.65 mi (7,214.13 km) |
| Prospect Heights to Karlovy Vary | 4,474.45 mi (7,200.93 km) |
| Prospect Heights to Karvina | 4,688.54 mi (7,545.47 km) |
| Prospect Heights to Kladno | 4,521.31 mi (7,276.35 km) |
| Prospect Heights to Klasterec nad Ohri | 4,478.76 mi (7,207.86 km) |
| Prospect Heights to Klatovy | 4,523.97 mi (7,280.63 km) |
| Prospect Heights to Kolin | 4,565.18 mi (7,346.94 km) |
| Prospect Heights to Koprivnice | 4,686.11 mi (7,541.57 km) |
| Prospect Heights to Kralupy nad Vltavou | 4,524.98 mi (7,282.25 km) |
| Prospect Heights to Kraluv Dvur | 4,527.33 mi (7,286.04 km) |
| Prospect Heights to Krnov | 4,649.20 mi (7,482.17 km) |
