The phrase "a long path of" is correct and usable in written English.
It can be used to describe a lengthy journey or process, whether literal or metaphorical.
Example: "The project was a long path of challenges and learning experiences that ultimately led to success."
Alternatives: "an extended journey of" or "a lengthy course of".
Oliver Townsend's spare, simple designs –a long path of blue carpet, a circular dais surrounded by sharpened staffs, a scarlet camouflage dropcloth – and Mark Howland's careful lighting ensure that our attention is kept on Macbeth (Quentin Hayes) and his scolding, smooching wife (Miriam Murphy).
Pierre left a long path of destruction.
I'd love to move forward a long path of life step by step for my father's sake.
The present-day use of metals is the culmination of a long path of development extending over approximately 6,500 years.
Works that once looked dark and turbulent, sometimes for no apparent reason, now look like way stations on a long path of light on which dancers travel in mostly understated perpetual motion and recurrent patterns.
"We are getting ready ourselves along with our wives, sons, daughters and everyone who follows our steps for a long path of relentless Jihad, in which we aim for the honourable status of martyrs".
This behaviour is considerably more complex than the related rectangular grid worm, which has a longest path of only 16 segments.
With Ms Rhee's marked improvement in the public-school system, Washington seemed to be on a long path to becoming that kind of community.
He has a star's aura without a star's affect, a function, those who know him say, of a long path to fame.
Having reached the end of a "long path to the west", they are certified democrats and can once again be "just like the others".
India is a long path, full of curves and turns.
