Country size comparison

compared to

Portugal is about 1.9 times smaller than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Portugal is approximately 92,090 sq km, making Portugal 51.78% the size of Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (6.5 million more people live in Portugal).
Tip: This to-scale comparison of Oklahoma vs. Portugal uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Portugal vs. Oklahoma

Flip Comparison · See true size
See Portugal on top of Oklahoma
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Quality of Life Comparison · 4 statistics
Be 41.4% less likely to be unemployed in Oklahoma
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Cost of Living Comparison · 7 categories - 2026 data
Oklahoma is 45.6% more expensive than Portugal overall
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Moving from Portugal to Oklahoma · Cost, visas & climate
Compare cost of living, salary and climate.
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