The calculated distance (air line) between Sremska Mitrovica and Smederevska Palanka is approximately 78 miles respectively 126 kilometers.
By car or train, the actual journey to Smederevska Palanka is certainly longer, as only the direct route (as the crow flies) between Sremska Mitrovica and Smederevska Palanka has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles