The phrase "a long area of" is correct and usable in written English.
It can be used to describe an extensive physical space or a metaphorical concept that spans a considerable distance or extent.
Example: "The hikers trekked through a long area of dense forest, marveling at the towering trees and vibrant wildlife."
Alternatives: "an extensive stretch of" or "a vast expanse of".
The home is one of 144 in the Henry T. Oxnard Historic District, a five-block-long area of F and G streets where homes from 1,000 to 5,000 square feet were built between 1900 and 1939.
While the world focused on events in the United States, the Israeli Army announced that it would make an 18-mile-long area of the West Bank along the Israeli border off limits to Palestinians, except for local villagers.
The biological phenomenon of ageing has been a long standing area of research (Grignolio and Franceschi, 2012).
To be honest, I probably wouldn't have indulged them even if they had still been pre-schoolers… The cakes here are my attempt at adding a bit of style to a long-neglected area of gastronomy.
Begun in the late 1950s in a long-gone area of downtown Los Angeles, "The Exiles" was a three-year-plus labor of love for its director, writer and producer, Kent Mackenzie.
This is "as good as science gets," she writes, "a mildly outrageous, terrifically courageous, seemingly efficacious display of creative problem-solving, fueled by a bullheaded dedication to amassing facts and dispelling myths in a long-neglected area of human physiology".
The uncertainty in the severity of acidification under experimental conditions has been a long-standing area of concern mostly due to the lack of a suitable assay.
"The fact that this decline has been offset by an improvement in the letters business, which is not a long-term area of growth, and cost-cutting measures, may help in the shorter term, but these are both temporary reliefs".
A long-established area of scientific excellence in Europe, solid state chemistry has emerged in the US in the past two decades as a field experiencing rapid growth and development.
The research into a possible link between eating red meat and cancer has been the subject of scientific debate for decades, with colorectal cancer being a long-standing area of concern.
