Well that would be just about at Fort Sill, OK. It will depend on how close to the center of LA and Charlotte you make your start and end points. It is about 1,060 miles half way.
halfway points
Need to give a specific point in NC... it's a pretty substantially sized state, after all, and the distance from, say, Rocky Mount will be significantly different than it will be from Charlotte, as will the halfway point.
Rochelle, Virginia is halfway between State College & Raleigh
North Dakota and South Dakota are about halfway.
The driving distance from Sacramento CA to the Washington state line is about 570 road miles.
Pennsylvania
Mississippi
Tennessee
NM
Tennessee
Kansas
No, but Sacramento is the state capital of the golden state, California.