| Castel Bolognese to Kalisz | 589.81 mi (949.21 km) |
| Castel Bolognese to Kamien Pomorski | 680.22 mi (1,094.70 km) |
| Castel Bolognese to Kamienna Gora | 488.27 mi (785.79 km) |
| Castel Bolognese to Karczew | 689.74 mi (1,110.03 km) |
| Castel Bolognese to Kartuzy | 748.94 mi (1,205.31 km) |
| Castel Bolognese to Katowice | 531.83 mi (855.89 km) |
| Castel Bolognese to Kedzierzyn-Kozle | 512.99 mi (825.58 km) |
| Castel Bolognese to Kepno | 559.94 mi (901.14 km) |
| Castel Bolognese to Ketrzyn | 800.02 mi (1,287.50 km) |
| Castel Bolognese to Kety | 519.56 mi (836.15 km) |
| Castel Bolognese to Kielce | 611.26 mi (983.73 km) |
| Castel Bolognese to Kielczow | 533.30 mi (858.27 km) |
| Castel Bolognese to Klobuck | 563.64 mi (907.09 km) |
| Castel Bolognese to Klodzko | 479.44 mi (771.58 km) |
| Castel Bolognese to Kluczbork | 548.50 mi (882.73 km) |
