The Mile is a universal unit for measuring distance by air, and by extension the unit used for all frequent flyer program. With Flying Blue, the Miles you earn and that you can use for awards are called Award Miles.
Miles are awarded according to:
(1) Certain fares or classes do not earn Flying Blue Award Miles. Award Miles earned with non-airline partners are specified in the Flying Blue mileage accrual tables.
Your Flying Blue Award Miles are valid for 20 months and can easily be extended in validity by taking an AIR FRANCE, KLM, or SkyTeam flight at least once every 20 months.
With your Flying Blue Award Miles, you can earn Award Tickets on BABOO, AIR FRANCE, KLM, SkyTeam and other Flying Blue airline partners. You can also use your Award Miles on hotel stays, car rentals and many other services.