You can create multi-legged routes with the IMDV if you have a Google maps or Here.com
API key. More information here
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 (here.com 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: