| Kostinbrod to Kamenz | 723.48 mi (1,164.34 km) |
| Kostinbrod to Kamp-Lintfort | 983.21 mi (1,582.32 km) |
| Kostinbrod to Kandel | 839.14 mi (1,350.47 km) |
| Kostinbrod to Kappeln | 1,014.35 mi (1,632.44 km) |
| Kostinbrod to Karben | 854.48 mi (1,375.15 km) |
| Kostinbrod to Karlsdorf-Neuthard | 826.75 mi (1,330.52 km) |
| Kostinbrod to Karlsfeld | 679.15 mi (1,092.99 km) |
| Kostinbrod to Karlsruhe | 828.60 mi (1,333.50 km) |
| Kostinbrod to Kassel | 870.18 mi (1,400.42 km) |
| Kostinbrod to Kaufbeuren | 703.30 mi (1,131.85 km) |
| Kostinbrod to Kaufering | 698.61 mi (1,124.31 km) |
| Kostinbrod to Kaufungen | 864.58 mi (1,391.40 km) |
| Kostinbrod to Kehl | 840.61 mi (1,352.83 km) |
| Kostinbrod to Kelheim | 688.58 mi (1,108.16 km) |
| Kostinbrod to Kelkheim (Taunus) | 863.25 mi (1,389.27 km) |
