The calculated distance (air line) between Ad Dīwānīyah and Imam Qasim is approximately 25 miles respectively 41 kilometers.
By car or train, the actual journey to Imam Qasim is certainly longer, as only the direct route (as the crow flies) between Ad Dīwānīyah and Imam Qasim has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles