To find the return flight distance between Cherbourg to Biarritz via Saumur, La Rochelle, La Romieu, 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
Cherbourg to La Rochelle Route via Saumur, La Rochelle, La Romieu.