City size comparison

compared to

Ottawa is about 1.8 times bigger than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Ottawa is approximately 2,779 sq km, making Ottawa 77% larger than London.
Tip: This to-scale comparison of London vs. Ottawa uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Ottawa vs. London

Flip Comparison · See true size
See Ottawa on top of London
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Cost of Living Comparison · 7 categories - 2026 data
London is 53.1% more expensive than Ottawa
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