Country size comparison

compared to

Northern Mariana Islands is about 1.8 times smaller than San Diego.

San Diego is approximately 844 sq km, while Northern Mariana Islands is approximately 464 sq km, making Northern Mariana Islands 54.98% the size of San Diego.
Tip: This to-scale comparison of San Diego vs. Northern Mariana Islands uses the Mercator projection, which distorts the size of regions near the poles.
Share
Compare further: Northern Mariana Islands vs. San Diego
Flip Comparison · See true size
See Northern Mariana Islands on top of San Diego
→
Cost of Living Comparison · 7 categories - 2026 data
San Diego is 2.1 times more expensive than Northern Mariana Islands overall
→