City size comparison

compared to

Honolulu is about 8 times smaller than Rome.

Rome is approximately 1,287 sq km, while Honolulu is approximately 157 sq km, making Honolulu 12.17% the size of Rome.
Tip: This to-scale comparison of Rome vs. Honolulu uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Honolulu vs. Rome

Flip Comparison · See true size
See Honolulu on top of Rome
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Cost of Living Comparison · 7 categories - 2026 data
Rome is 45.5% cheaper than Honolulu
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