Arkansas (USA) is 45% larger than Indiana (USA).
Arkansas is a state located in the Southern region of the United States. Its name is of Siouan derivation, denoting the Quapaw Indians. The state's diverse geography ranges from the mountainous regions of the Ozark and the Ouachita Mountains, which make up the U.S. Wikipedia
Indiana is a U.S. state located in the midwestern and Great Lakes regions of North America. Indiana is the 38th largest by area and the 16th most populous of the 50 United States. Indiana is the least extensive state in the contiguous United States west of the Appalachian Mountains. Wikipedia