Niue is about 303 times smaller than Czech Republic.

Czech Republic is approximately 78,867 sq km, while Niue is approximately 260 sq km, making Niue 0.33% the size of Czech Republic. Meanwhile, the population of Czech Republic is ~10.9 million people (10.9 million fewer people live in Niue).
Tip: This to-scale comparison of Czech Republic vs. Niue uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.