The calculated distance (air line) between Añatuya and San Miguel de Tucumán is approximately 185 miles respectively 297 kilometers.
By car or train, the actual journey to San Miguel de Tucumán is certainly longer, as only the direct route (as the crow flies) between Añatuya and San Miguel de Tucumán has been calculated here.
Air line (approximately)
297 kilometers
160 nautical miles