Vermont is about 11 times smaller than New Zealand.

New Zealand is approximately 268,838 sq km, while Vermont is approximately 23,956 sq km, making Vermont 8.91% the size of New Zealand. Meanwhile, the population of New Zealand is ~5.1 million people (4.4 million fewer people live in Vermont).
Tip: This to-scale comparison of New Zealand vs. Vermont uses the Mercator projection, which distorts the size of regions near the poles.