The calculated distance (air line) between Falkenhagener Feld and Wittenau is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Wittenau is certainly longer, as only the direct route (as the crow flies) between Falkenhagener Feld and Wittenau has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles