Iraq is about 519 times bigger than San Diego.

San Diego is approximately 844 sq km, while Iraq is approximately 438,317 sq km, making Iraq 51,832% larger than San Diego.
Tip: This to-scale comparison of San Diego vs. Iraq 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.