| Houghton Regis to Kamen | 350.82 mi (564.60 km) |
| Houghton Regis to Kamenz | 628.33 mi (1,011.20 km) |
| Houghton Regis to Kamp-Lintfort | 303.39 mi (488.26 km) |
| Houghton Regis to Kandel | 429.79 mi (691.67 km) |
| Houghton Regis to Kappeln | 471.47 mi (758.76 km) |
| Houghton Regis to Karben | 419.35 mi (674.87 km) |
| Houghton Regis to Karlsdorf-Neuthard | 441.48 mi (710.50 km) |
| Houghton Regis to Karlsfeld | 588.81 mi (947.60 km) |
| Houghton Regis to Karlsruhe | 440.35 mi (708.67 km) |
| Houghton Regis to Kassel | 431.62 mi (694.62 km) |
| Houghton Regis to Kaufbeuren | 567.90 mi (913.95 km) |
| Houghton Regis to Kaufering | 570.49 mi (918.11 km) |
| Houghton Regis to Kaufungen | 437.15 mi (703.53 km) |
| Houghton Regis to Kehl | 434.42 mi (699.13 km) |
| Houghton Regis to Kelheim | 582.45 mi (937.36 km) |
