Just playing the game will eventually get you this achievement. There is however a really easy way to grind this achievement with no effort from the player. There are likely many spots, but here's the one I used.
During Level 2, you will have spot where there is a mesh you need to fall through by being a color other than the color of the mesh. If you fall through the first one and then just stay the same color as the next mesh, you can go back and forth endlessly until the achievement pops.
The achievement pops during the level. You don't need to finish the level to register the distance traveled each time to add to a total.
If you don't have the achievement already, you will also unlock: