New Zealand is about 53 times bigger than Delaware.

Delaware is approximately 5,060 sq km, while New Zealand is approximately 268,838 sq km, making New Zealand 5,213% larger than Delaware. Meanwhile, the population of Delaware is ~897,934 people (4.2 million more people live in New Zealand).
Tip: This to-scale comparison of Delaware vs. New Zealand uses the Mercator projection, which distorts the size of regions near the poles.