I believe it actually varies on whats hatching from the egg
it takes about 10,240 steps to hatch a beldum egg
It takes 350 steps to hatch
It takes about 2805-3060 steps for an azurill egg to hatch.
It takes 5,120 steps to hatch Gligar in a Egg.
it takes 12,000 steps
It takes 5355 steps
It takes 9,180 steps or 36 Egg Cycles to hatch an Eevee.
It takes 2719 steps to hatch the egg. It contains a togepi
it takes 6654 steps to hatch
it takes 5100 steps to hatch the larvesta egg given to you by the Pokemon ranger.
It takes about 80,000 steps for the bad mew egg to hatch.
it takes 6500 steps to 8000