The calculated distance (air line) between Ḩablah and Khān Yūnis is approximately 69 miles respectively 112 kilometers.
By car or train, the actual journey to Khān Yūnis is certainly longer, as only the direct route (as the crow flies) between Ḩablah and Khān Yūnis has been calculated here.
Air line (approximately)
112 kilometers
60 nautical miles