Country size comparison

compared to

Mongolia is about 1,853 times bigger than San Diego.

San Diego is approximately 844 sq km, while Mongolia is approximately 1,564,116 sq km, making Mongolia 185,217% larger than San Diego.
Tip: This to-scale comparison of San Diego vs. Mongolia uses the Mercator projection, which distorts the size of regions near the poles.
Share
Compare further: Mongolia vs. San Diego
Flip Comparison · See true size
See Mongolia on top of San Diego
→
Cost of Living Comparison · 7 categories - 2026 data
San Diego is 3.9 times more expensive than Mongolia overall
→