| Delaware to Jicin | 4,470.69 mi (7,194.88 km) |
| Delaware to Jihlava | 4,519.26 mi (7,273.05 km) |
| Delaware to Jindrichuv Hradec | 4,507.12 mi (7,253.51 km) |
| Delaware to Jirkov | 4,397.97 mi (7,077.85 km) |
| Delaware to Kadan | 4,395.97 mi (7,074.62 km) |
| Delaware to Karlovy Vary | 4,386.40 mi (7,059.22 km) |
| Delaware to Karvina | 4,609.92 mi (7,418.95 km) |
| Delaware to Kladno | 4,435.23 mi (7,137.81 km) |
| Delaware to Klasterec nad Ohri | 4,391.92 mi (7,068.12 km) |
| Delaware to Klatovy | 4,433.16 mi (7,134.48 km) |
| Delaware to Kolin | 4,480.68 mi (7,210.97 km) |
| Delaware to Koprivnice | 4,605.67 mi (7,412.10 km) |
| Delaware to Kralupy nad Vltavou | 4,439.68 mi (7,144.97 km) |
| Delaware to Kraluv Dvur | 4,440.27 mi (7,145.93 km) |
| Delaware to Krnov | 4,569.86 mi (7,354.48 km) |
