The calculated distance (air line) between Rennertshofen and Kleinzschocher is approximately 185 miles respectively 298 kilometers.
By car or train, the actual journey to Kleinzschocher is certainly longer, as only the direct route (as the crow flies) between Rennertshofen and Kleinzschocher has been calculated here.
Air line (approximately)
298 kilometers
161 nautical miles