The calculated distance (air line) between Mazkeret Batya and Kiryat Gat is approximately 18 miles respectively 28 kilometers.
By car or train, the actual journey to Kiryat Gat is certainly longer, as only the direct route (as the crow flies) between Mazkeret Batya and Kiryat Gat has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles