The calculated distance (air line) between Mokrin and Sremska Mitrovica is approximately 77 miles respectively 123 kilometers.
By car or train, the actual journey to Sremska Mitrovica is certainly longer, as only the direct route (as the crow flies) between Mokrin and Sremska Mitrovica has been calculated here.
Air line (approximately)
123 kilometers
67 nautical miles