The calculated distance (air line) between Fray Luis A. Beltrán and Balvanera is approximately 184 miles respectively 296 kilometers.
By car or train, the actual journey to Balvanera is certainly longer, as only the direct route (as the crow flies) between Fray Luis A. Beltrán and Balvanera has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles