The calculated distance (air line) between Ar Rumaythah and An Nu‘mānīyah is approximately 72 miles respectively 116 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 Ar Rumaythah and An Nu‘mānīyah has been calculated here.
Air line (approximately)
116 kilometers
63 nautical miles