The calculated distance (air line) between Biograd na Moru and Slavonski Brod is approximately 152 miles respectively 244 kilometers.
By car or train, the actual journey to Slavonski Brod is certainly longer, as only the direct route (as the crow flies) between Biograd na Moru and Slavonski Brod has been calculated here.
Air line (approximately)
244 kilometers
132 nautical miles