The calculated distance (air line) between Az Zuwāydah and Khān Yūnis is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Khān Yūnis is certainly longer, as only the direct route (as the crow flies) between Az Zuwāydah and Khān Yūnis has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles