To find the return flight distance between Gangtok to Katao via Tsongmo Lake, Nathula Pass, Baba Mandir, 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
Gangtok to Katao Route via Tsongmo Lake, Nathula Pass, Baba Mandir.