Not exactly, but they are often interchangeable. See this u003ca href=u0022https://www.ehow.com/facts_5587987_difference-round-roast-london-broil_.htmlu0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003ewebsite for a more detailed answer about the differences.u003c/au003e Round steak is usually more tender. However, the meat is cooked for hours, so flank steak, London Broil, or round steak are all good choices in this recipe.