The calculated distance (air line) between Königslutter am Elm and Kleinzschocher is approximately 91 miles respectively 147 kilometers.
By car or train, the actual journey to Kleinzschocher is certainly longer, as only the direct route (as the crow flies) between Königslutter am Elm and Kleinzschocher has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles