Country size comparison
compared to
Oklahoma is about 2.5 times bigger than Sierra Leone.
Sierra Leone is approximately 71,740 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 148% larger than Sierra Leone. Meanwhile, the population of Sierra Leone is ~8.7 million people (4.9 million fewer people live in Oklahoma).
Tip:
This to-scale comparison of
Sierra Leone
vs.
Oklahoma
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oklahoma vs. Sierra Leone
Flip Comparison · See true size
See Oklahoma on top of Sierra Leone
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Quality of Life Comparison · 4 statistics
Make 96.7% less money in Sierra Leone
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Cost of Living Comparison · 6 categories - 2026 data
Sierra Leone is 28.0% cheaper than Oklahoma
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Moving from Oklahoma to Sierra Leone · Cost, visas & climate
Compare cost of living, salary and climate.
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