Size comparison

compared to

Oahu is about 2.3 times smaller than Long Island.

Long Island is approximately 3,566 km² (1,377 sq mi), while Oahu is approximately 1,545 km² (597 sq mi), making Oahu 43.33% the size of Long Island.
Tip: This to-scale comparison of Long Island vs. Oahu uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oahu vs. Long Island

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See Oahu on top of Long Island
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