The calculated distance (air line) between Shibli–Umm al-Ghanam and Ashkelon is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Ashkelon is certainly longer, as only the direct route (as the crow flies) between Shibli–Umm al-Ghanam and Ashkelon has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles