State size comparison

compared to

Colorado is about 2,166 times bigger than Boston.

Boston is approximately 124 sq km, while Colorado is approximately 268,627 sq km, making Colorado 216,535% larger than Boston.
Tip: This to-scale comparison of Boston vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Colorado vs. Boston
Flip Comparison · See true size
See Colorado on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 27.4% more expensive than Colorado
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