I have 235/70R16 on my Jeep, and that's what it came with stock before I even lifted it.
Those tires are approximately 28.95" tall and 9.25" wide.
A 235/65R16 is nearly identical, at 29.02" tall and again, 9.25" wide.
Also to note....Tire Rack lists the 235/65-17 as an optional plus...