The calculated distance (air line) between Smederevska Palanka and Požarevac is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Požarevac is certainly longer, as only the direct route (as the crow flies) between Smederevska Palanka and Požarevac has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles