The calculated distance (air line) between Novi Sad and Sremska Mitrovica is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Sremska Mitrovica is certainly longer, as only the direct route (as the crow flies) between Novi Sad and Sremska Mitrovica has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles