FaydesMom, I guess that would be accurate. Many horses have one hoof that is more upright than the other. I honestly don't know if the leg on the high foot is actually shorter, or if it's just a way of the body compensating for an old injury further up in the shoulder. With this horse, it's a very slight difference, so it's probably just a matter of this horse prefers to graze with the same foot forward which puts all the weight on one foot over the other. The angle on the upright hoof is steeper resulting in a higher heel. The overall foot is shorter from heel to toe. The other foot is usually a longer toe, heel that's prone to under run or grow forward instead of down.
If you put the two feet side by side, the more forward one will have a slightly longer breakover point than it's more upright counterpart. Some farriers will set the shoe on the more forward foot to even that out.
You just have to see your distance...you don't have to like it.