The calculated distance (air line) between Al Hārithah and Ar Rumaythīyah is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Ar Rumaythīyah is certainly longer, as only the direct route (as the crow flies) between Al Hārithah and Ar Rumaythīyah has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles