City size comparison

compared to

Vienna is about 2.6 times bigger than Honolulu.

Honolulu is approximately 157 sq km, while Vienna is approximately 415 sq km, making Vienna 165% larger than Honolulu.
Tip: This to-scale comparison of Honolulu vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Vienna vs. Honolulu
Flip Comparison · See true size
See Vienna on top of Honolulu
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Cost of Living Comparison · 7 categories - 2026 data
Honolulu is 48.9% more expensive than Vienna
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