| Black Forest to Kamen | 4,968.88 mi (7,996.63 km) |
| Black Forest to Kamenz | 5,186.65 mi (8,347.10 km) |
| Black Forest to Kamp-Lintfort | 4,936.05 mi (7,943.81 km) |
| Black Forest to Kandel | 5,101.17 mi (8,209.54 km) |
| Black Forest to Kappeln | 4,899.48 mi (7,884.96 km) |
| Black Forest to Karben | 5,067.06 mi (8,154.65 km) |
| Black Forest to Karlsdorf-Neuthard | 5,110.28 mi (8,224.21 km) |
| Black Forest to Karlsfeld | 5,251.08 mi (8,450.79 km) |
| Black Forest to Karlsruhe | 5,111.46 mi (8,226.11 km) |
| Black Forest to Kassel | 5,040.56 mi (8,112.00 km) |
| Black Forest to Kaufbeuren | 5,239.07 mi (8,431.47 km) |
| Black Forest to Kaufering | 5,238.09 mi (8,429.90 km) |
| Black Forest to Kaufungen | 5,046.03 mi (8,120.81 km) |
| Black Forest to Kehl | 5,111.95 mi (8,226.89 km) |
| Black Forest to Kelheim | 5,230.52 mi (8,417.71 km) |
