The calculated distance (air line) between Bazarnyy Karabulak and Saratov is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Saratov is certainly longer, as only the direct route (as the crow flies) between Bazarnyy Karabulak and Saratov has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles