City size comparison

compared to

Boulder is about 4.2 times bigger than Cambridge.

Cambridge is approximately 17 sq km, while Boulder is approximately 70 sq km, making Boulder 320% larger than Cambridge.
Tip: This to-scale comparison of Cambridge vs. Boulder uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boulder vs. Cambridge

Flip Comparison · See true size
See Boulder on top of Cambridge
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Cost of Living Comparison · 7 categories - 2026 data
Cambridge is 21.3% more expensive than Boulder
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