Another vote for Eagles Roost!!
There is a KOA at the same exit on the other side of the highway.
The Eagles Roost is at Exit 5, so only 5 miles to the Florida line, then about 200 miles to WDW via the Turnpike and 429S.
So, 3 1/2 - 4 hours.
We also usually stop at the Okahumpka Service Center for gas, lottery tickets, and Dunkin Donuts.