City size comparison

compared to

Vienna is about 7 times smaller than Ottawa.

Ottawa is approximately 2,779 sq km, while Vienna is approximately 415 sq km, making Vienna 14.93% the size of Ottawa.
Tip: This to-scale comparison of Ottawa vs. Vienna uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Vienna vs. Ottawa

Flip Comparison · See true size
See Vienna on top of Ottawa
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Cost of Living Comparison · 7 categories - 2026 data
Ottawa is 0.2% cheaper than Vienna
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