*Miles&Smiles members get 500 Miles for every rental – and it goes up the longer you rent. 3-6 days earns you 1500 Miles in total, 7-9 days earns you 2500 Miles in total and 10+ days earns 4000 Miles in total. This offer applies to worldwide rentals booked through this site. You can earn Miles on all car rentals – even without purchasing a flight ticket or flying.