I can drop that 700 miles to 125 on a regular day. It's not just a EV issue but specific work(physics definition of work) still requires a set amount of energy. It will truly be the start of the New World when battery energy density is that of petroleum. Won't happen for years though.
People don't back into there driveways? It ain't exactly the most difficult thing to do. Even with a trailer mentioned above, you should back in. Tesla should make an extension for their HPWC's for if it can't reach regardless of the situation.