The calculated distance (air line) between Ad Dīwānīyah and Mandalī is approximately 127 miles respectively 204 kilometers.
By car or train, the actual journey to Mandalī is certainly longer, as only the direct route (as the crow flies) between Ad Dīwānīyah and Mandalī has been calculated here.
Air line (approximately)
204 kilometers
110 nautical miles