City size comparison

compared to

Boulder is about 7 times smaller than Warsaw.

Warsaw is approximately 517 sq km, while Boulder is approximately 70 sq km, making Boulder 13.46% the size of Warsaw.
Tip: This to-scale comparison of Warsaw vs. Boulder uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boulder vs. Warsaw

Flip Comparison · See true size
See Boulder on top of Warsaw
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Cost of Living Comparison · 7 categories - 2026 data
Warsaw is 36.2% cheaper than Boulder
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