Lefties Only Golf Tips: For a golfer to have a poor understanding of how far they hit the club is is often very common but it's completely avoidable. There is no reason why even the average golfer doesn't know how far they hit their shots and I think the problem is twofold one it's not something the golfer focuses on and two it's not something golfer ever wants to admit to themselves.
Left Handed Golf Tips: Techniques to learn golf club yardages (Video)