Three Dallas area Burger Kings (Frisco, Corinth, and Flower Mound), have just been added to Rewards Network (IDINE). You could combine this promotion with the various IDINE promotions and get extra miles if your VISA is registered with Rewards Network (United, Delta,...) as well.

There may be many other Burger Kings that are also IDINE. A quick search also showed 29 Philadelphia and 6 Miami area IDINE Buger Kings.

Don't forget that your VISA has to be registered for this promotion as well as for Rewards Network.