The calculated distance (air line) between Obernburg am Main and Kleinzschocher is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Kleinzschocher is certainly longer, as only the direct route (as the crow flies) between Obernburg am Main and Kleinzschocher has been calculated here.
Air line (approximately)
279 kilometers
150 nautical miles