You can create multi-legged routes with the IMDV if you have a Google maps or API key. More information here.
Adding a Route
If you have the Google or Here API key installed in you RAMADDA then a Route glyph type will be shown in the New menu. Select the desired provider ( or google) and the route type:
Click and draw a multi-segment line. Double clicking to end. The route will be shown. The legend shows the calculated distance: