Display Navigation Itinerary waypoint distance relative to current position

At present the Navigation Itinerary displays waypoint distance relative to the start of the route.

This isn't so useful once navigation begins. For example when I am half way along the route I think it would be more useful to see the distance to each waypoint relative to the current position. It could be displayed like this:

At the beginning the distances would be identical, but as progress is made along the route the proposed distances will be updated if this screen is left displayed.