Seychelles is about 41 times smaller than New Caledonia.

New Caledonia is approximately 18,575 sq km, while Seychelles is approximately 455 sq km, making Seychelles 2.45% the size of New Caledonia. Meanwhile, the population of New Caledonia is ~297,160 people (200,143 fewer people live in Seychelles).
Tip: This to-scale comparison of New Caledonia vs. Seychelles uses the Mercator projection, which distorts the size of regions near the poles.
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