get route from google maps and points on the map each 2 km

Question

I know GPS coordinates my start and end point. Now I would like to get driving route for this journey. And then get GPS coordinates of every 2nd km on this route. How can I

Answer 1

My answer for other people: Use code in comments and console.log(markers) - there are GPS coordinates - see in code + see interval for milestones in meters. I did not use php but javascript.

working fiddle with code below