City size comparison

compared to

Ottawa is about 7 times bigger than Vienna.

Vienna is approximately 415 sq km, while Ottawa is approximately 2,779 sq km, making Ottawa 570% larger than Vienna.
Tip: This to-scale comparison of Vienna vs. Ottawa uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Ottawa vs. Vienna

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