The calculated distance (air line) between Abū Ghurayb and An Nu‘mānīyah is approximately 88 miles respectively 142 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 Abū Ghurayb and An Nu‘mānīyah has been calculated here.
Air line (approximately)
142 kilometers
76 nautical miles