| Castel Gandolfo to Kecskemet | 497.68 mi (800.94 km) |
| Castel Gandolfo to Kerepestarcsa | 515.61 mi (829.79 km) |
| Castel Gandolfo to Keszthely | 414.76 mi (667.48 km) |
| Castel Gandolfo to Kiskoros | 470.16 mi (756.65 km) |
| Castel Gandolfo to Kiskunfelegyhaza | 493.96 mi (794.95 km) |
| Castel Gandolfo to Kiskunhalas | 468.59 mi (754.12 km) |
| Castel Gandolfo to Kiskunlachaza | 489.99 mi (788.57 km) |
| Castel Gandolfo to Kiskunmajsa | 480.26 mi (772.91 km) |
| Castel Gandolfo to Kisujszallas | 549.79 mi (884.79 km) |
| Castel Gandolfo to Kisvarda | 641.20 mi (1,031.92 km) |
| Castel Gandolfo to Komarom | 493.27 mi (793.85 km) |
| Castel Gandolfo to Komlo | 414.64 mi (667.29 km) |
| Castel Gandolfo to Kormend | 412.68 mi (664.14 km) |
| Castel Gandolfo to Koszeg | 433.97 mi (698.40 km) |
| Castel Gandolfo to Lajosmizse | 498.95 mi (802.98 km) |
