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