The calculated distance (air line) between Ad Dīwānīyah and An Nu‘mānīyah is approximately 48 miles respectively 78 kilometers.
By car or train, the actual journey to An Nu‘mānīyah is certainly longer, as only the direct route (as the crow flies) between Ad Dīwānīyah and An Nu‘mānīyah has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles