The calculated distance (air line) between Hamburg-Nord and Halle (Saale) is approximately 168 miles respectively 270 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-Nord and Halle (Saale) has been calculated here.
Air line (approximately)
270 kilometers
146 nautical miles