There's not as much as you would think, I wheel on a lot of private land (with the owners consent of course) but aside from some creek crawling there's really not a whole lot. I live right on the border of Ohio and Kentucky and the closest I've found is a few hours away. Here's a list of some places in this thread here Places to Off-Road in our region... - C.O.R.E. FORUM
Also unless you really aren't too worried about beating the hell out of your rig I wouldn't go to Haspin, they really don't do any maintenance to the trails so it's just a ton of ruts now.