The calculated distance (air line) between Sremski Karlovci and Novi Pazar is approximately 146 miles respectively 234 kilometers.
By car or train, the actual journey to Novi Pazar is certainly longer, as only the direct route (as the crow flies) between Sremski Karlovci and Novi Pazar has been calculated here.
Air line (approximately)
234 kilometers
126 nautical miles