| Helmstedt to Kamenz | 147.90 mi (238.01 km) |
| Helmstedt to Kamp-Lintfort | 197.51 mi (317.86 km) |
| Helmstedt to Kandel | 249.69 mi (401.84 km) |
| Helmstedt to Kappeln | 173.89 mi (279.85 km) |
| Helmstedt to Karben | 168.60 mi (271.33 km) |
| Helmstedt to Karlsdorf-Neuthard | 239.33 mi (385.16 km) |
| Helmstedt to Karlsfeld | 277.89 mi (447.22 km) |
| Helmstedt to Karlsruhe | 250.00 mi (402.34 km) |
| Helmstedt to Kassel | 90.31 mi (145.34 km) |
| Helmstedt to Kaufbeuren | 300.92 mi (484.28 km) |
| Helmstedt to Kaufering | 286.43 mi (460.97 km) |
| Helmstedt to Kaufungen | 88.46 mi (142.36 km) |
| Helmstedt to Kehl | 289.39 mi (465.73 km) |
| Helmstedt to Kelheim | 231.85 mi (373.13 km) |
| Helmstedt to Kelkheim (Taunus) | 182.08 mi (293.02 km) |
