| Kocaeli to Kamen | 1,292.82 mi (2,080.60 km) |
| Kocaeli to Kamenz | 1,045.98 mi (1,683.34 km) |
| Kocaeli to Kamp-Lintfort | 1,333.95 mi (2,146.78 km) |
| Kocaeli to Kandel | 1,201.95 mi (1,934.35 km) |
| Kocaeli to Kappeln | 1,327.08 mi (2,135.72 km) |
| Kocaeli to Karben | 1,208.86 mi (1,945.47 km) |
| Kocaeli to Karlsdorf-Neuthard | 1,188.70 mi (1,913.02 km) |
| Kocaeli to Karlsfeld | 1,041.28 mi (1,675.78 km) |
| Kocaeli to Karlsruhe | 1,191.50 mi (1,917.54 km) |
| Kocaeli to Kassel | 1,214.12 mi (1,953.94 km) |
| Kocaeli to Kaufbeuren | 1,069.02 mi (1,720.43 km) |
| Kocaeli to Kaufering | 1,062.74 mi (1,710.31 km) |
| Kocaeli to Kaufungen | 1,208.40 mi (1,944.73 km) |
| Kocaeli to Kehl | 1,206.59 mi (1,941.82 km) |
| Kocaeli to Kelheim | 1,044.53 mi (1,681.01 km) |
