| Catonsville to Jicin | 4,281.87 mi (6,891.00 km) |
| Catonsville to Jihlava | 4,325.97 mi (6,961.97 km) |
| Catonsville to Jindrichuv Hradec | 4,311.52 mi (6,938.72 km) |
| Catonsville to Jirkov | 4,206.00 mi (6,768.91 km) |
| Catonsville to Kadan | 4,203.08 mi (6,764.21 km) |
| Catonsville to Karlovy Vary | 4,192.10 mi (6,746.53 km) |
| Catonsville to Karvina | 4,424.42 mi (7,120.42 km) |
| Catonsville to Kladno | 4,242.74 mi (6,828.03 km) |
| Catonsville to Klasterec nad Ohri | 4,198.90 mi (6,757.48 km) |
| Catonsville to Klatovy | 4,235.60 mi (6,816.54 km) |
| Catonsville to Kolin | 4,289.63 mi (6,903.49 km) |
| Catonsville to Koprivnice | 4,418.21 mi (7,110.42 km) |
| Catonsville to Kralupy nad Vltavou | 4,248.01 mi (6,836.52 km) |
| Catonsville to Kraluv Dvur | 4,246.71 mi (6,834.41 km) |
| Catonsville to Krnov | 4,383.83 mi (7,055.08 km) |
