The calculated distance (air line) between Dallgow-Döberitz and Kleinmachnow is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Kleinmachnow is certainly longer, as only the direct route (as the crow flies) between Dallgow-Döberitz and Kleinmachnow has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles