Ottawa is about 6 times smaller than Beijing.

Beijing is approximately 16,411 sq km, while Ottawa is approximately 2,779 sq km, making Ottawa 16.93% the size of Beijing.
Tip: This to-scale comparison of Beijing vs. Ottawa uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.