To find the return flight distance between Frankfurt to Freiburg via Würzburg, Rothenburg ob der Tauber, Heidelberg, Munich, start with entering the locations in the control and click on Return Flight Distance. You can also add multiple destinations in between while returning from a location. If you are not aware of the routes, you can check the
Frankfurt to Würzburg Route via Würzburg, Rothenburg ob der Tauber, Heidelberg, Munich.