The calculated distance (air line) between San Clemente del Tuyú and Balvanera is approximately 153 miles respectively 246 kilometers.
By car or train, the actual journey to Balvanera is certainly longer, as only the direct route (as the crow flies) between San Clemente del Tuyú and Balvanera has been calculated here.
Air line (approximately)
246 kilometers
133 nautical miles