Joe_Stansell:
Welcome to GCA. I noticed this was your first post.
Not sure where you are posting from but there are several examples to which you refer that I can give.
Unfortunately, or fortunately, they are in Florida.
My Club in Florida has the East course near the Main Clubhouse and the Marina.
The West Course, which is 27 holes is on the other side of alternate A1A and it also has an additional Clubhouse. Probably a 1/2 mile to get there.
It is not anything like being at Pinehurst where 5 courses start and end at the same Clubhouse. Now that I mention Pinehurst they have, I believe, three courses that are several miles away.
PGA National has several courses at the main location and at least one additional course several miles away.
Jonathan's Landing, also in Jupiter, Fl. has two courses on the main property and a third course a few miles away. This is also a Private Club.
Cherokee Town and Country in Atlanta (This may be different than what you are seeking) has the downtown Club in Buckhead and 36 holes about 20? minutes away in Roswell.
Also the Homestead in Hot Springs, Va. has a course behind the main hotel (with Sam Snead's Bar hiding off the back end of the course) and the Cascades course a few miles away.
In Florida I think there are quite a few examples of what you are seeking. Pinehurst also offers this model but is really a resort.
You'll have to dig and I think you will find what you are looking for.
Best,
Dave