| Houston to Kamen | 5,146.45 mi (8,282.42 km) |
| Houston to Kamenz | 5,395.63 mi (8,683.43 km) |
| Houston to Kamp-Lintfort | 5,106.62 mi (8,218.31 km) |
| Houston to Kandel | 5,251.45 mi (8,451.40 km) |
| Houston to Kappeln | 5,125.39 mi (8,248.51 km) |
| Houston to Karben | 5,234.23 mi (8,423.67 km) |
| Houston to Karlsdorf-Neuthard | 5,263.14 mi (8,470.21 km) |
| Houston to Karlsfeld | 5,410.18 mi (8,706.84 km) |
| Houston to Karlsruhe | 5,262.02 mi (8,468.40 km) |
| Houston to Kassel | 5,224.57 mi (8,408.14 km) |
| Houston to Kaufbeuren | 5,389.25 mi (8,673.16 km) |
| Houston to Kaufering | 5,392.18 mi (8,677.87 km) |
| Houston to Kaufungen | 5,230.29 mi (8,417.34 km) |
| Houston to Kehl | 5,253.88 mi (8,455.31 km) |
| Houston to Kelheim | 5,400.01 mi (8,690.48 km) |
