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