The calculated distance (air line) between Al Manzalah and Fāqūs is approximately 31 miles respectively 50 kilometers.
By car or train, the actual journey to Fāqūs is certainly longer, as only the direct route (as the crow flies) between Al Manzalah and Fāqūs has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles