City size comparison

compared to

Vienna is about 3.1 times smaller than San Antonio.

San Antonio (map shows its 401 named neighbourhoods; the area covers the whole city) is approximately 1,292 sq km, while Vienna is approximately 415 sq km, making Vienna 32.1% the size of San Antonio.
Tip: This to-scale comparison of San Antonio vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Vienna vs. San Antonio

Flip Comparison · See true size
See Vienna on top of San Antonio
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Cost of Living Comparison · 7 categories - 2026 data
San Antonio is 6.1% more expensive than Vienna
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