The calculated distance (air line) between Qiryat Motsqin and Ashkelon is approximately 86 miles respectively 138 kilometers.
By car or train, the actual journey to Ashkelon is certainly longer, as only the direct route (as the crow flies) between Qiryat Motsqin and Ashkelon has been calculated here.
Air line (approximately)
138 kilometers
75 nautical miles