| Portland to Jicin | 5,345.74 mi (8,603.13 km) |
| Portland to Jihlava | 5,413.71 mi (8,712.52 km) |
| Portland to Jindrichuv Hradec | 5,416.55 mi (8,717.10 km) |
| Portland to Jirkov | 5,300.93 mi (8,531.02 km) |
| Portland to Kadan | 5,304.46 mi (8,536.70 km) |
| Portland to Karlovy Vary | 5,304.31 mi (8,536.45 km) |
| Portland to Karvina | 5,446.93 mi (8,765.99 km) |
| Portland to Kladno | 5,336.18 mi (8,587.76 km) |
| Portland to Klasterec nad Ohri | 5,301.74 mi (8,532.33 km) |
| Portland to Klatovy | 5,363.67 mi (8,631.99 km) |
| Portland to Kolin | 5,367.28 mi (8,637.81 km) |
| Portland to Koprivnice | 5,454.67 mi (8,778.44 km) |
| Portland to Kralupy nad Vltavou | 5,335.30 mi (8,586.33 km) |
| Portland to Kraluv Dvur | 5,346.79 mi (8,604.82 km) |
| Portland to Krnov | 5,415.41 mi (8,715.26 km) |
