To find the return flight distance between Paris to Barcelona via Nantes, Aéroport La Rochelle, Bordeaux, Lourdes - Gare SNCF, 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
Paris to Nantes Route via Nantes, Aéroport La Rochelle, Bordeaux, Lourdes - Gare SNCF.