City size comparison

compared to

Honolulu is about 5 times smaller than San Diego.

San Diego is approximately 844 sq km, while Honolulu is approximately 157 sq km, making Honolulu 18.57% the size of San Diego.
Tip: This to-scale comparison of San Diego vs. Honolulu uses the Mercator projection, which distorts the size of regions near the poles.
Share
Compare further: Honolulu vs. San Diego
Flip Comparison · See true size
See Honolulu on top of San Diego
→
Cost of Living Comparison · 7 categories - 2026 data
San Diego is 0.9% cheaper than Honolulu
→