City size comparison

compared to

Moscow is about 37 times bigger than Boulder.

Boulder is approximately 70 sq km, while Moscow (map shows its 125 districts within the pre-2012 boundary; the area includes New Moscow) is approximately 2,562 sq km, making Moscow 3,580% larger than Boulder.
Tip: This to-scale comparison of Boulder vs. Moscow uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Moscow vs. Boulder

Flip Comparison · See true size
See Moscow on top of Boulder
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Cost of Living Comparison · 7 categories - 2026 data
Boulder is 62.9% more expensive than Moscow
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