To choose your first refueling stop, click on one of the buttons on the bottom of your screen. Remember, you're looking for the shortest flight path between San Francisco and New York.
Picture: Map of the United States, with flight paths indicated between ten cities. San Francisco has flight paths to Spokane and Phoenix. Spokane has a flight path to Memphis. Memphis has flight paths to Minneapolis and Pittsburgh. Minneapolis has flight paths to Pittsburgh and New York City. Pittsburgh has a flight path to New York City. Phoenix has a flight path to Dallas. Dallas has flight paths to Atlanta and Miami. Miami has flight paths to Atlanta and New York City. Atlanta has a flight path to New York City.