Bridgeport, Connecticut is 57 times larger than Greenwich Park.
Area: 42 km2 calculated
Bridgeport is the most populous city in the U.S. state of Connecticut. Located in Fairfield County on the Pequonnock River and Long Island Sound, the city had an estimated population of 144,229 at the 2010 United States Census and is the core of the Greater Bridgeport area. Wikipedia
Area: 1 km2 calculated
Greenwich Park is a former hunting park in Greenwich and one of the largest single green spaces in south-east London. One of the Royal Parks of London, and the first to be enclosed, it covers 74 hectares, and is part of the Greenwich World Heritage Site. Wikipedia