Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! 🙂 https://www.patreon.com/patrickjmt !! The Distance Formula in 3-Dimensions. In this video, I show the formula to find the distance between two points in 3-dimension space. It is just a slight extension of the 2d case, so it will be hopefully easy to remember!