| Castalla to Krosno Odrzanskie | 1,198.41 mi (1,928.65 km) |
| Castalla to Krotoszyn | 1,256.64 mi (2,022.37 km) |
| Castalla to Kruszwica | 1,329.46 mi (2,139.55 km) |
| Castalla to Krynica | 1,301.46 mi (2,094.49 km) |
| Castalla to Krzeszowice | 1,273.92 mi (2,050.18 km) |
| Castalla to Kudowa-Zdroj | 1,162.46 mi (1,870.81 km) |
| Castalla to Kutno | 1,345.01 mi (2,164.58 km) |
| Castalla to Kwidzyn | 1,395.56 mi (2,245.94 km) |
| Castalla to Lancut | 1,372.78 mi (2,209.27 km) |
| Castalla to Lapy | 1,496.05 mi (2,407.66 km) |
| Castalla to Lask | 1,310.84 mi (2,109.60 km) |
| Castalla to Laziska Gorne | 1,245.01 mi (2,003.65 km) |
| Castalla to Lebork | 1,398.36 mi (2,250.44 km) |
| Castalla to Leczna | 1,437.34 mi (2,313.17 km) |
| Castalla to Leczyca | 1,331.79 mi (2,143.31 km) |
