| Potomac Park to Jicin | 5,888.23 mi (9,476.19 km) |
| Potomac Park to Jihlava | 5,952.56 mi (9,579.73 km) |
| Potomac Park to Jindrichuv Hradec | 5,951.41 mi (9,577.86 km) |
| Potomac Park to Jirkov | 5,834.88 mi (9,390.33 km) |
| Potomac Park to Kadan | 5,836.98 mi (9,393.71 km) |
| Potomac Park to Karlovy Vary | 5,834.25 mi (9,389.31 km) |
| Potomac Park to Karvina | 6,001.68 mi (9,658.77 km) |
| Potomac Park to Kladno | 5,871.50 mi (9,449.26 km) |
| Potomac Park to Klasterec nad Ohri | 5,833.84 mi (9,388.66 km) |
| Potomac Park to Klatovy | 5,891.51 mi (9,481.46 km) |
| Potomac Park to Kolin | 5,907.19 mi (9,506.70 km) |
| Potomac Park to Koprivnice | 6,006.49 mi (9,666.51 km) |
| Potomac Park to Kralupy nad Vltavou | 5,872.03 mi (9,450.13 km) |
| Potomac Park to Kraluv Dvur | 5,880.83 mi (9,464.29 km) |
| Potomac Park to Krnov | 5,967.24 mi (9,603.34 km) |
