| Gretna to Jicin | 5,268.02 mi (8,478.06 km) |
| Gretna to Jihlava | 5,313.85 mi (8,551.81 km) |
| Gretna to Jindrichuv Hradec | 5,300.18 mi (8,529.82 km) |
| Gretna to Jirkov | 5,193.31 mi (8,357.83 km) |
| Gretna to Kadan | 5,190.72 mi (8,353.66 km) |
| Gretna to Karlovy Vary | 5,180.23 mi (8,336.78 km) |
| Gretna to Karvina | 5,409.30 mi (8,705.42 km) |
| Gretna to Kladno | 5,230.27 mi (8,417.30 km) |
| Gretna to Klasterec nad Ohri | 5,186.59 mi (8,347.01 km) |
| Gretna to Klatovy | 5,224.84 mi (8,408.57 km) |
| Gretna to Kolin | 5,276.66 mi (8,491.96 km) |
| Gretna to Koprivnice | 5,403.91 mi (8,696.75 km) |
| Gretna to Kralupy nad Vltavou | 5,235.24 mi (8,425.31 km) |
| Gretna to Kraluv Dvur | 5,234.63 mi (8,424.32 km) |
| Gretna to Krnov | 5,368.90 mi (8,640.41 km) |
