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