Aruba is about 103 times smaller than New Caledonia.

New Caledonia is approximately 18,575 sq km, while Aruba is approximately 180 sq km, making Aruba 0.97% the size of New Caledonia. Meanwhile, the population of New Caledonia is ~297,160 people (174,840 fewer people live in Aruba).
Tip: This to-scale comparison of New Caledonia vs. Aruba 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.