| Castel Gandolfo to Kalisz | 737.34 mi (1,186.63 km) |
| Castel Gandolfo to Kamien Pomorski | 850.14 mi (1,368.16 km) |
| Castel Gandolfo to Kamienna Gora | 644.73 mi (1,037.58 km) |
| Castel Gandolfo to Karczew | 820.11 mi (1,319.83 km) |
| Castel Gandolfo to Kartuzy | 905.91 mi (1,457.93 km) |
| Castel Gandolfo to Katowice | 662.60 mi (1,066.36 km) |
| Castel Gandolfo to Kedzierzyn-Kozle | 650.79 mi (1,047.34 km) |
| Castel Gandolfo to Kepno | 705.51 mi (1,135.41 km) |
| Castel Gandolfo to Ketrzyn | 941.74 mi (1,515.58 km) |
| Castel Gandolfo to Kety | 645.36 mi (1,038.60 km) |
| Castel Gandolfo to Kielce | 735.77 mi (1,184.11 km) |
| Castel Gandolfo to Kielczow | 683.54 mi (1,100.06 km) |
| Castel Gandolfo to Klobuck | 700.25 mi (1,126.94 km) |
| Castel Gandolfo to Klodzko | 629.76 mi (1,013.51 km) |
| Castel Gandolfo to Kluczbork | 690.63 mi (1,111.47 km) |
