The calculated distance (air line) between Ar Rumaythīyah and Salwá is approximately 1 miles respectively 2 kilometers.
By car or train, the actual journey to Salwá is certainly longer, as only the direct route (as the crow flies) between Ar Rumaythīyah and Salwá has been calculated here.
Air line (approximately)
2 kilometers
1 nautical miles