| Webster Groves to Kamen | 4,498.22 mi (7,239.18 km) |
| Webster Groves to Kamenz | 4,741.64 mi (7,630.93 km) |
| Webster Groves to Kamp-Lintfort | 4,459.83 mi (7,177.41 km) |
| Webster Groves to Kandel | 4,610.22 mi (7,419.44 km) |
| Webster Groves to Kappeln | 4,467.30 mi (7,189.42 km) |
| Webster Groves to Karben | 4,588.76 mi (7,384.90 km) |
| Webster Groves to Karlsdorf-Neuthard | 4,621.31 mi (7,437.28 km) |
| Webster Groves to Karlsfeld | 4,767.41 mi (7,672.40 km) |
| Webster Groves to Karlsruhe | 4,620.76 mi (7,436.40 km) |
| Webster Groves to Kassel | 4,575.20 mi (7,363.08 km) |
| Webster Groves to Kaufbeuren | 4,748.64 mi (7,642.19 km) |
| Webster Groves to Kaufering | 4,750.59 mi (7,645.33 km) |
| Webster Groves to Kaufungen | 4,580.89 mi (7,372.22 km) |
| Webster Groves to Kehl | 4,614.82 mi (7,426.84 km) |
| Webster Groves to Kelheim | 4,754.67 mi (7,651.90 km) |
