The phrase "two pages long" is correct and can be used in written English.
For example, you might say, "This report is two pages long and should take no more than a few minutes to read."
The city's building code is barely two pages long.
The list of his martyred relatives is two pages long.
Comey's written account of the meeting is two pages long and highly detailed, the associates said.
For example, his section on investing is only two pages long.
I devoured my freshman summer reading list, two pages long, mimeographed, with the required books noted.
But the summary was only two pages long, and the authors' methods of confirmation were obscure.
(As an example, it recently released two possible mortgage disclosure forms, and both were two pages long).
But sources report that the paper was ninety-two pages long.
The only book that year written by a woman, it's twenty-two pages long, and Bowers spends a good three of them apologizing for having written it.
Its first edition is seven hundred and forty-two pages long, and much of it has to do with small questions of spelling and pronunciation.
The Enron Code of Ethics is sixty-two pages long and includes two blank pages for notes and a foreword by Kenneth L. Lay, who was then the company's chairman.
