Vienna is about 18 times bigger than Williamsburg.

Williamsburg (map shows its 52 named neighbourhoods; the area covers the whole city) is approximately 23 sq km, while Vienna is approximately 415 sq km, making Vienna 1,692% larger than Williamsburg.
Tip: This to-scale comparison of Williamsburg vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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