The calculated distance (air line) between Kokhav Ya‘aqov and Khān Yūnis is approximately 67 miles respectively 107 kilometers.
By car or train, the actual journey to Khān Yūnis is certainly longer, as only the direct route (as the crow flies) between Kokhav Ya‘aqov and Khān Yūnis has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles