The calculated distance (air line) between Bu'ayna-Nujaydat and Ashdod is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Ashdod is certainly longer, as only the direct route (as the crow flies) between Bu'ayna-Nujaydat and Ashdod has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles