| Castalla to Kamen | 984.12 mi (1,583.78 km) |
| Castalla to Kamenz | 1,130.67 mi (1,819.64 km) |
| Castalla to Kamp-Lintfort | 957.24 mi (1,540.53 km) |
| Castalla to Kandel | 847.45 mi (1,363.83 km) |
| Castalla to Kappeln | 1,215.49 mi (1,956.14 km) |
| Castalla to Karben | 927.46 mi (1,492.60 km) |
| Castalla to Karlsdorf-Neuthard | 859.38 mi (1,383.04 km) |
| Castalla to Karlsfeld | 899.51 mi (1,447.61 km) |
| Castalla to Karlsruhe | 848.55 mi (1,365.61 km) |
| Castalla to Kassel | 1,007.52 mi (1,621.45 km) |
| Castalla to Kaufbeuren | 855.26 mi (1,376.41 km) |
| Castalla to Kaufering | 873.71 mi (1,406.09 km) |
| Castalla to Kaufungen | 1,008.40 mi (1,622.86 km) |
| Castalla to Kehl | 808.17 mi (1,300.62 km) |
| Castalla to Kelheim | 946.14 mi (1,522.67 km) |
