The calculated distance (air line) between Halle (Saale) and Osternienburger Land is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Osternienburger Land is certainly longer, as only the direct route (as the crow flies) between Halle (Saale) and Osternienburger Land has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles