| Castel Bolognese to Koscielisko | 513.22 mi (825.95 km) |
| Castel Bolognese to Koscierzyna | 731.68 mi (1,177.53 km) |
| Castel Bolognese to Kostrzyn | 610.68 mi (982.80 km) |
| Castel Bolognese to Kostrzyn nad Odra | 586.29 mi (943.54 km) |
| Castel Bolognese to Koszalin | 710.55 mi (1,143.52 km) |
| Castel Bolognese to Kowary | 485.12 mi (780.72 km) |
| Castel Bolognese to Kozienice | 674.39 mi (1,085.33 km) |
| Castel Bolognese to Kozuchow | 542.58 mi (873.19 km) |
| Castel Bolognese to Kozy | 515.83 mi (830.15 km) |
| Castel Bolognese to Krakow | 550.32 mi (885.65 km) |
| Castel Bolognese to Krapkowice | 513.18 mi (825.89 km) |
| Castel Bolognese to Krasnik | 664.66 mi (1,069.67 km) |
| Castel Bolognese to Krasnystaw | 700.66 mi (1,127.61 km) |
| Castel Bolognese to Krosno | 596.92 mi (960.64 km) |
| Castel Bolognese to Krosno Odrzanskie | 554.27 mi (892.01 km) |
