The calculated distance (air line) between Sremska Mitrovica and Novi Pazar is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Novi Pazar is certainly longer, as only the direct route (as the crow flies) between Sremska Mitrovica and Novi Pazar has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles