The calculated distance (air line) between Kovačica and Smederevska Palanka is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Smederevska Palanka is certainly longer, as only the direct route (as the crow flies) between Kovačica and Smederevska Palanka has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles