City size comparison

compared to

Boise is about 2.7 times smaller than Madrid.

Madrid is approximately 604 sq km, while Boise is approximately 221 sq km, making Boise 36.5% the size of Madrid.
Tip: This to-scale comparison of Madrid vs. Boise uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boise vs. Madrid

Flip Comparison · See true size
See Boise on top of Madrid
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Cost of Living Comparison · 7 categories - 2026 data
Madrid is 1.9% cheaper than Boise
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