To find the return flight distance between Zurich to Zurich via Vienne, Zell am See, Interlaken, Zurich, 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
Zurich to Vienne Route via Vienne, Zell am See, Interlaken, Zurich.