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