North Las Vegas, Nevada is 72% larger than Pasadena, Texas.
Area: 213 km2 calculated
North Las Vegas is a city in Clark County, Nevada, United States, located in the Las Vegas Valley. The city was incorporated on May 16, 1946. It is near the city of Las Vegas, and is the fourth largest city in the state of Nevada. 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