The right handed golfer, who get a lot of width and the most consistent width, manage to get the club travelling a long way away from the body, all the way to the top, and then creating width by pushing the hands a little bit farther away from the head. This amount of width is something you see in all the very best players, not only the farthest players but also the best ball strikers as well.
Right Hand Golf Tip: How and Why Create a Wide Takeaway (Video) - by Peter Finch