| Guyancourt to Jicin | 604.71 mi (973.18 km) |
| Guyancourt to Jihlava | 612.36 mi (985.50 km) |
| Guyancourt to Jindrichuv Hradec | 586.42 mi (943.75 km) |
| Guyancourt to Jirkov | 522.21 mi (840.42 km) |
| Guyancourt to Kadan | 513.27 mi (826.03 km) |
| Guyancourt to Karlovy Vary | 494.46 mi (795.75 km) |
| Guyancourt to Karvina | 744.07 mi (1,197.46 km) |
| Guyancourt to Kladno | 547.78 mi (881.57 km) |
| Guyancourt to Klasterec nad Ohri | 509.00 mi (819.15 km) |
| Guyancourt to Klatovy | 509.15 mi (819.40 km) |
| Guyancourt to Kolin | 595.79 mi (958.83 km) |
| Guyancourt to Koprivnice | 726.62 mi (1,169.39 km) |
| Guyancourt to Kralupy nad Vltavou | 557.71 mi (897.54 km) |
| Guyancourt to Kraluv Dvur | 543.75 mi (875.08 km) |
| Guyancourt to Krnov | 706.67 mi (1,137.28 km) |