The calculated distance (air line) between Marktheidenfeld 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 Marktheidenfeld and Großzschocher has been calculated here.
Air line (approximately)
251 kilometers
136 nautical miles