Island · Hawaii, United States

How Big Is Oahu?

Oahu covers about 1,545 km² (597 sq mi), or 381,777 acres. That's about 81% the size of Virgin Islands.

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Questions About the Size of Oahu

How big is Oahu?

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Oahu covers about 1,545 km² (597 sq mi).

How many acres is Oahu?

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About 381,777 acres.

Is Oahu bigger than Virgin Islands?

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No. Oahu is about 81% the size of Virgin Islands, which covers 1,910 km² (737 sq mi).

Which is bigger, Oahu or Kauai?

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They're about the same size, but Oahu is slightly bigger: 1,545 km² (597 sq mi) against 1,435 km² (554 sq mi).

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