The calculated distance (air line) between Lemsahl-Mellingstedt and Hamburg-Mitte is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Hamburg-Mitte is certainly longer, as only the direct route (as the crow flies) between Lemsahl-Mellingstedt and Hamburg-Mitte has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles