The calculated distance (air line) between Grävenwiesbach and Kleinzschocher is approximately 180 miles respectively 290 kilometers.
By car or train, the actual journey to Kleinzschocher is certainly longer, as only the direct route (as the crow flies) between Grävenwiesbach and Kleinzschocher has been calculated here.
Air line (approximately)
290 kilometers
156 nautical miles