City size comparison

compared to

Vienna is about 2 times bigger than Oakland.

Oakland is approximately 202 sq km, while Vienna is approximately 415 sq km, making Vienna 105% larger than Oakland.
Tip: This to-scale comparison of Oakland vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Vienna vs. Oakland
Flip Comparison · See true size
See Vienna on top of Oakland
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Cost of Living Comparison · 7 categories - 2026 data
Oakland is 66.1% more expensive than Vienna
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