Sterling Heights, Michigan is 68 times larger than Hyde Park, London.
Area: 1 km2 calculated
Hyde Park is one of the largest parks in London, and one of the Royal Parks of London, famous for its Speakers' Corner. The park was the site of the Great Exhibition of 1851, for which the Crystal Palace was designed by Joseph Paxton. Wikipedia
Area: 95 km2 calculated
Sterling Heights is a city in Macomb County of the U.S. state of Michigan, and one of Detroit's core suburbs. As of the 2010 census, the city had a total population of 129,699. It is the second largest suburb in Metro Detroit, and the fourth largest city in Michigan. Wikipedia