Bossier Parish, Louisiana is 18 times larger than Pasadena, Texas.
Area: 2,232 km2 calculated
Bossier Parish is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 116,979. The parish seat is Benton. The principal city is Bossier City, which is located east of the Red River from Shreveport, the seat of Caddo Parish. 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