The calculated distance (air line) between Al Wafrah and As Sālimīyah is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to As Sālimīyah is certainly longer, as only the direct route (as the crow flies) between Al Wafrah and As Sālimīyah has been calculated here.
Air line (approximately)
79 kilometers
42 nautical miles