| Castalla to Kluczbork | 1,254.23 mi (2,018.48 km) |
| Castalla to Knurow | 1,241.29 mi (1,997.66 km) |
| Castalla to Kobylka | 1,412.43 mi (2,273.08 km) |
| Castalla to Kokoszki | 1,410.62 mi (2,270.17 km) |
| Castalla to Kolbuszowa | 1,360.15 mi (2,188.96 km) |
| Castalla to Kolno | 1,479.50 mi (2,381.02 km) |
| Castalla to Kolo | 1,318.88 mi (2,122.52 km) |
| Castalla to Kolobrzeg | 1,319.17 mi (2,123.00 km) |
| Castalla to Koluszki | 1,340.57 mi (2,157.44 km) |
| Castalla to Komorniki | 1,258.93 mi (2,026.05 km) |
| Castalla to Konin | 1,307.39 mi (2,104.03 km) |
| Castalla to Konskie | 1,341.77 mi (2,159.38 km) |
| Castalla to Konstancin-Jeziorna | 1,399.99 mi (2,253.07 km) |
| Castalla to Konstantynow Lodzki | 1,324.23 mi (2,131.14 km) |
| Castalla to Koronowo | 1,345.65 mi (2,165.62 km) |
