City size comparison

compared to

Ottawa is about 23 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Ottawa is approximately 2,779 sq km, making Ottawa 2,196% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Ottawa uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Ottawa vs. San Francisco

Flip Comparison · See true size
See Ottawa on top of San Francisco
→
Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 67.5% more expensive than Ottawa
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play