City size comparison

compared to

Oslo is around the same size as Vienna.

Vienna is approximately 415 sq km, while Oslo is approximately 454 sq km, making Oslo 9% larger than Vienna.
Tip: This to-scale comparison of Vienna vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oslo vs. Vienna

Flip Comparison · See true size
See Oslo on top of Vienna
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Cost of Living Comparison · 7 categories - 2026 data
Vienna is 27.0% cheaper than Oslo
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