The calculated distance (air line) between Rehburg-Loccum and Großzschocher is approximately 156 miles respectively 251 kilometers.
By car or train, the actual journey to Großzschocher is certainly longer, as only the direct route (as the crow flies) between Rehburg-Loccum and Großzschocher has been calculated here.
Air line (approximately)
251 kilometers
135 nautical miles