| Frederick to Kamen | 3,965.39 mi (6,381.68 km) |
| Frederick to Kamenz | 4,224.15 mi (6,798.12 km) |
| Frederick to Kamp-Lintfort | 3,923.39 mi (6,314.09 km) |
| Frederick to Kandel | 4,059.71 mi (6,533.46 km) |
| Frederick to Kappeln | 3,965.62 mi (6,382.04 km) |
| Frederick to Karben | 4,048.32 mi (6,515.15 km) |
| Frederick to Karlsdorf-Neuthard | 4,072.11 mi (6,553.42 km) |
| Frederick to Karlsfeld | 4,219.75 mi (6,791.04 km) |
| Frederick to Karlsruhe | 4,070.25 mi (6,550.44 km) |
| Frederick to Kassel | 4,045.05 mi (6,509.88 km) |
| Frederick to Kaufbeuren | 4,196.20 mi (6,753.12 km) |
| Frederick to Kaufering | 4,200.32 mi (6,759.76 km) |
| Frederick to Kaufungen | 4,050.79 mi (6,519.11 km) |
| Frederick to Kehl | 4,059.53 mi (6,533.18 km) |
| Frederick to Kelheim | 4,213.17 mi (6,780.45 km) |
