City size comparison

compared to

Osaka is around the same size as Riverside.

Riverside is approximately 210 sq km, while Osaka is approximately 223 sq km, making Osaka 6% larger than Riverside.
Tip: This to-scale comparison of Riverside vs. Osaka uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Osaka vs. Riverside

Flip Comparison · See true size
See Osaka on top of Riverside
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Cost of Living Comparison · 7 categories - 2026 data
Riverside is 2.1 times more expensive than Osaka
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