The calculated distance (air line) between Kovin and Smederevska Palanka is approximately 26 miles respectively 43 kilometers.
By car or train, the actual journey to Smederevska Palanka is certainly longer, as only the direct route (as the crow flies) between Kovin and Smederevska Palanka has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles