The calculated distance (air line) between Cairo and Al Ḩawāmidīyah is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Al Ḩawāmidīyah is certainly longer, as only the direct route (as the crow flies) between Cairo and Al Ḩawāmidīyah has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles