Peoria, Arizona is 3 times larger than San Bernardino, California.
Area: 474 km2 calculated
Peoria is a city in Maricopa and Yavapai counties in the State of Arizona. Most of the city is located in Maricopa County, while a tiny portion in the north is in Yavapai County. It is a major suburb of Phoenix. According to 2010 Census Bureau releases, the population of the city is 154,065. Wikipedia
Area: 159 km2 calculated
San Bernardino is a city located in the Riverside-San Bernardino metropolitan area. It serves as the county seat of San Bernardino County, California, United States. Wikipedia