The calculated distance (air line) between Al Farwānīyah and Mulayjah is approximately 142 miles respectively 228 kilometers.
By car or train, the actual journey to Mulayjah is certainly longer, as only the direct route (as the crow flies) between Al Farwānīyah and Mulayjah has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles