The calculated distance (air line) between Rheinsberg and Falkenhagener Feld is approximately 39 miles respectively 64 kilometers.
By car or train, the actual journey to Falkenhagener Feld is certainly longer, as only the direct route (as the crow flies) between Rheinsberg and Falkenhagener Feld has been calculated here.
Air line (approximately)
64 kilometers
34 nautical miles