The calculated distance (air line) between Kharbathā al Mişbāḩ and Khān Yūnis is approximately 59 miles respectively 95 kilometers.
By car or train, the actual journey to Khān Yūnis is certainly longer, as only the direct route (as the crow flies) between Kharbathā al Mişbāḩ and Khān Yūnis has been calculated here.
Air line (approximately)
95 kilometers
51 nautical miles