City size comparison

compared to

Vienna is about 1.9 times bigger than Boise.

Boise is approximately 221 sq km, while Vienna is approximately 415 sq km, making Vienna 88% larger than Boise.
Tip: This to-scale comparison of Boise vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Vienna vs. Boise

Flip Comparison · See true size
See Vienna on top of Boise
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Cost of Living Comparison · 7 categories - 2026 data
Boise is 6.9% more expensive than Vienna
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