The calculated distance (air line) between Möckern and Halle (Saale) is approximately 46 miles respectively 73 kilometers.
By car or train, the actual journey to Halle (Saale) is certainly longer, as only the direct route (as the crow flies) between Möckern and Halle (Saale) has been calculated here.
Air line (approximately)
73 kilometers
40 nautical miles