Colombia is 4,293 times larger than Arlington, Texas.
Area: 1,138,910 km2 World Factbook
Population: 46,245,297 (July 2014) World Factbook
Wikipedia
Area: 265 km2 calculated
Population: 375,600 (2012)
Arlington is a city in the U.S. state of Texas, within the Dallas–Fort Worth–Arlington metropolitan area and Tarrant County. According to the U.S. Wikipedia