City size comparison

compared to

Sydney is about 1.4 times bigger than Ottawa.

Ottawa is approximately 2,779 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 37% larger than Ottawa.
Tip: This to-scale comparison of Ottawa vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Ottawa

Flip Comparison · See true size
See Sydney on top of Ottawa
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Cost of Living Comparison · 7 categories - 2026 data
Ottawa is 26.1% cheaper than Sydney
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