Garland, Texas is 20% larger than Pasadena, Texas.
Area: 148 km2 calculated
Garland is a city in the U.S. state of Texas. It is a large city northeast of Dallas and is a part of the Dallas–Fort Worth metroplex. It is located almost entirely within Dallas County, except a small portion located in Collin County. Wikipedia
Area: 123 km2 calculated
Pasadena is a city in the U.S. state of Texas, within Houston–The Woodlands–Sugar Land metropolitan area. As of the 2010 U.S. Census, the city's population is 149,043 making it the seventeenth most populous city in the state of Texas as well as the second-largest city in Harris County. Wikipedia