City size comparison

compared to

Oslo is about 4.3 times smaller than Jacksonville.

Jacksonville (map shows its 197 named neighbourhoods; the area covers the whole city) is approximately 1,935 sq km, while Oslo is approximately 454 sq km, making Oslo 23.46% the size of Jacksonville.
Tip: This to-scale comparison of Jacksonville vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oslo vs. Jacksonville

Flip Comparison · See true size
See Oslo on top of Jacksonville
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Cost of Living Comparison · 7 categories - 2026 data
Jacksonville is 10.3% more expensive than Oslo
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