New Zealand is 945 times larger than Henderson, Nevada.
Area: 267,710 km2 World Factbook
Population: 4,401,916 (July 2014) World Factbook
New Zealand is an Oceanian island country in the southwestern Pacific Ocean. The country geographically comprises two main landmasses – that of the North Island, or Te Ika-a-Māui, and the South Island, or Te Waipounamu – and numerous smaller islands. 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