Michelle Corey, C.N.W.C., F.M.C., is a Wellness Recovery Expert, researcher and author of The Thyroid Cure â The Functional Mind-Body Approach to Reversing Your Autoimmune Condition and Reclaiming Your Health! Michelle healed herself of Hashimotoâs and lupus and has been free of symptoms and antibodies since 2009.
At it's most expansive, the Roman Empire was about 5 million square kilometers (2 million square miles). The United States is far larger, at 9.8 million square kilometers (3.8 million square miles).
Answers.comÂ® is making the world better one answer at a time. At the height of its power in the 1st and 2nd centuries AD, the Roman Empire consisted of some 2.2 million square miles (5.7 million sq. km).