| Williamsport to Jicin | 4,199.15 mi (6,757.88 km) |
| Williamsport to Jihlava | 4,245.04 mi (6,831.73 km) |
| Williamsport to Jindrichuv Hradec | 4,231.51 mi (6,809.95 km) |
| Williamsport to Jirkov | 4,124.46 mi (6,637.67 km) |
| Williamsport to Kadan | 4,121.90 mi (6,633.55 km) |
| Williamsport to Karlovy Vary | 4,111.47 mi (6,616.77 km) |
| Williamsport to Karvina | 4,340.53 mi (6,985.41 km) |
| Williamsport to Kladno | 4,161.43 mi (6,697.17 km) |
| Williamsport to Klasterec nad Ohri | 4,117.77 mi (6,626.91 km) |
| Williamsport to Klatovy | 4,156.32 mi (6,688.95 km) |
| Williamsport to Kolin | 4,207.79 mi (6,771.78 km) |
| Williamsport to Koprivnice | 4,335.06 mi (6,976.61 km) |
| Williamsport to Kralupy nad Vltavou | 4,166.38 mi (6,705.14 km) |
| Williamsport to Kraluv Dvur | 4,165.83 mi (6,704.25 km) |
| Williamsport to Krnov | 4,300.11 mi (6,920.35 km) |
