The calculated distance (air line) between Ar Rumaythah and Darreh Shahr is approximately 169 miles respectively 272 kilometers.
By car or train, the actual journey to Darreh Shahr is certainly longer, as only the direct route (as the crow flies) between Ar Rumaythah and Darreh Shahr has been calculated here.
Air line (approximately)
272 kilometers
147 nautical miles