The calculated distance (air line) between Hamburg-Mitte and Halle (Saale) is approximately 165 miles respectively 266 kilometers.
By car or train, the actual journey to Halle (Saale) is certainly longer, as only the direct route (as the crow flies) between Hamburg-Mitte and Halle (Saale) has been calculated here.
Air line (approximately)
266 kilometers
143 nautical miles