Well, you could always just "fudge" it. There are times when you can stop an action-midway and do something else. Like, say you hit travel to dam at Talos, and halfway into doing that action, you hit park rover. So you park the rover.
Santorini quarry has a manual entrance, that you can't park the rover into. So you HAVE to exit the rover to walk there. And that is where the fuel cells are.
So you could have, just for Santorini, a walk to Compound that takes 4x as long as driving to the Compound, could be a "hacky" / "duct tape" solution to this problem, for just this one area.