www.youtube.com/watch?v=aQjeknQlAVE
About 230k. (3+ hours)
You can go up Pacific Hwy and via buckets way.
or
through Maitland and Dungog.
I think the former is marginally quicker.
but the latter is probably more scenic.
roads both way are very good (all sealed)
The NEW Pacific Hwy is excellent these days.
Al