The calculated distance (air line) between Melenci and Smederevska Palanka is approximately 85 miles respectively 138 kilometers.
By car or train, the actual journey to Smederevska Palanka is certainly longer, as only the direct route (as the crow flies) between Melenci and Smederevska Palanka has been calculated here.
Air line (approximately)
138 kilometers
74 nautical miles