DistanceToNearestSurface not maintaining consistent edges around intersecting objects

So here’s a few shots further breaking down the problem

I have tried changing the resolution scale from 1, to 0.1, to 10, and to 100, no difference at all. (My scene objects are scaled to the 3rd person blueprint scale)

Here’s a gif of what is happening

[video]http://i.imgur.com/h9VT7N7.gifv[/video]