The calculated distance (air line) between Al Khums and Az Zāwīyah is approximately 90 miles respectively 144 kilometers.
By car or train, the actual journey to Az Zāwīyah is certainly longer, as only the direct route (as the crow flies) between Al Khums and Az Zāwīyah has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles