The phrase "a far larger area" is correct and usable in written English.
It can be used when comparing the size of one area to another, emphasizing that the first area is significantly bigger.
Example: "The new park will cover a far larger area than the previous one, providing more space for recreational activities."
Alternatives: "a significantly larger area" or "a much bigger area".
"If you are talking about a tall building, you would knock out cellphone communications for a far larger area.
A far larger area of the south pool, about 50percentt, will be constructed over the PATH tracks.
Contextual rezoning was adopted for northern Park Slope blocks in 1992, but the new rezoning extends the concept to a far larger area.
Body parts with the greatest sensitivity — lips, fingertips — take up a far larger area of the cortical surface than less sensitive areas.
Theoretically, in the 1720s, the Mughals claimed rights over a far larger area than had ever been the case under Akbar, Jahāngīr, or Shah Jahān.
The present political boundaries of China, which include Tibet, Inner Mongolia, Xinjiang, and the northeastern provinces formerly called Manchuria, embrace a far larger area of East Asia than will be discussed here.
The sporadic human infection patterns were distributed in 39 cities and occurred at various times, indicating that the virus is silently spreading in live birds over a far larger geographical area and at a far greater speed than originally thought.
It could cover far larger areas than were possible with grafts from the patient's own body.
The wave of displacement is just the start of a far larger disruption of the area's population anticipated as fighting continues and Iraqi forces prepare to retake Mosul, the second largest city in Iraq that fell to ISIL in June 2014.
It is making major gains in northern and western Iraq, and trying to take over a far larger portion of the rebel-held areas in Syria at the same time.
