Curaçao is 57% larger than Henderson, Nevada.
Area: 444 km2 World Factbook
Population: 146,836 (July 2013) World Factbook
Curaçao is an island in the southern Caribbean Sea, off the Venezuelan coast, that forms part of the Dutch Caribbean. The Country of Curaçao, which includes the main island and the small, uninhabited island of Klein Curaçao, is a constituent country of the Kingdom of the Netherlands. Wikipedia
Area: 283 km2 calculated
Henderson, officially the City of Henderson, is a city in Clark County, Nevada. It is the second largest city in Nevada, after Las Vegas, with an estimated population of 265,679 in 2012. The city is part of the Las Vegas metropolitan area, which spans the entire Las Vegas Valley. Wikipedia