The calculated distance (air line) between Trstenik and Smederevska Palanka is approximately 52 miles respectively 83 kilometers.
By car or train, the actual journey to Smederevska Palanka is certainly longer, as only the direct route (as the crow flies) between Trstenik and Smederevska Palanka has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles