Orange County, New York is 17 times larger than McAllen, Texas.
Area: 125 km2 calculated
McAllen is the twenty-second most populous city in Texas and the largest city in Hidalgo County, Texas. It is located at the southern tip of Texas in the Rio Grande Valley, and is part of the Southern United States. Wikipedia
Area: 2,172 km2 calculated
Orange County is a county located in the U.S. state of New York. As of the 2010 census, the population was 372,813. The county seat is Goshen. The county was named in honor of William III of Orange, who was greatly esteemed by the English settlers of the region. Wikipedia