The calculated distance (air line) between Al Farwānīyah and Al Manqaf is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Al Manqaf is certainly longer, as only the direct route (as the crow flies) between Al Farwānīyah and Al Manqaf has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles