The calculated distance (air line) between Al Musayyib and An Nu‘mānīyah is approximately 67 miles respectively 108 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 Al Musayyib and An Nu‘mānīyah has been calculated here.
Air line (approximately)
108 kilometers
58 nautical miles