The calculated distance (air line) between Smederevo and Smederevska Palanka is approximately 21 miles respectively 33 kilometers.
By car or train, the actual journey to Smederevska Palanka is certainly longer, as only the direct route (as the crow flies) between Smederevo and Smederevska Palanka has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles