The calculated distance (air line) between Ḩukūmatī Azrah and Gardez is approximately 47 miles respectively 75 kilometers.
By car or train, the actual journey to Gardez is certainly longer, as only the direct route (as the crow flies) between Ḩukūmatī Azrah and Gardez has been calculated here.
Air line (approximately)
75 kilometers
40 nautical miles