The calculated distance (air line) between Qiryat Tiv‘on and Ashkelon is approximately 79 miles respectively 128 kilometers.
By car or train, the actual journey to Ashkelon is certainly longer, as only the direct route (as the crow flies) between Qiryat Tiv‘on and Ashkelon has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles