Moreno Valley, California is 33 times larger than Golden Gate Park.
Area: 133 km2 calculated
Moreno Valley is a city located in Riverside County, California and is part of the San Bernardino-Riverside Metropolitan Area; the city is 19 miles south of downtown San Bernardino, while Riverside lies directly to the west. Wikipedia
Area: 4 km2 calculated
Golden Gate Park, located in San Francisco, California, United States, is a large urban park consisting of 1,017 acres of public grounds. Configured as a rectangle, it is similar in shape but 20 percent larger than Central Park in New York, to which it is often compared. Wikipedia