Return to a saved location

Good morning everyone, my name is Massimo, in the past I did a project with the inventor 2 app which detects a position on a map to show me the place where I am when I save it (in a list, but then to return in the saved location I have to read it every time and rewrite it on google maps.
Could any of you help me develop a system to be able to take the saved position from the same list and through the latitude and longitude of the saved position, (with a return button) make the route to return to the position appear on the same map?