Orange County, Florida is 25 times larger than Rancho Cucamonga, California.
Area: 104 km2 calculated
Rancho Cucamonga is a suburban city in San Bernardino County, California. As of 2014, Rancho Cucamonga's population was 165,775 people.Since 2000, it has had a population growth of 29.53 percent. L. Dennis Michael was elected as the city's mayor on November 2, 2010. Wikipedia
Area: 2,599 km2 calculated
Orange County is a county located in the State of Florida. As of the 2010 census, the population was 1,145,956, making it the fifth-most populous county in Florida. The county seat is Orlando. Orange County is included in the Orlando-Kissimmee-Sanford, FL Metropolitan Statistical Area. Wikipedia