The calculated distance (air line) between Wolmirstedt and Osternienburger Land is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to Osternienburger Land is certainly longer, as only the direct route (as the crow flies) between Wolmirstedt and Osternienburger Land has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles