| Castel Bolognese to Knurow | 519.47 mi (836.01 km) |
| Castel Bolognese to Kobylka | 701.14 mi (1,128.37 km) |
| Castel Bolognese to Kokoszki | 755.31 mi (1,215.55 km) |
| Castel Bolognese to Kolbuszowa | 620.57 mi (998.71 km) |
| Castel Bolognese to Kolno | 777.46 mi (1,251.21 km) |
| Castel Bolognese to Kolo | 628.23 mi (1,011.04 km) |
| Castel Bolognese to Kolobrzeg | 701.93 mi (1,129.64 km) |
| Castel Bolognese to Koluszki | 631.96 mi (1,017.04 km) |
| Castel Bolognese to Komorniki | 593.34 mi (954.89 km) |
| Castel Bolognese to Konin | 621.03 mi (999.45 km) |
| Castel Bolognese to Konskie | 620.74 mi (998.98 km) |
| Castel Bolognese to Konstancin-Jeziorna | 685.92 mi (1,103.88 km) |
| Castel Bolognese to Konstantynow Lodzki | 619.70 mi (997.30 km) |
| Castel Bolognese to Koronowo | 680.97 mi (1,095.91 km) |
| Castel Bolognese to Koscian | 580.92 mi (934.90 km) |
