Country size comparison

compared to

Sri Lanka is about 2.7 times smaller than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Sri Lanka is approximately 65,610 sq km, making Sri Lanka 36.89% the size of Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (19.4 million more people live in Sri Lanka).
Tip: This to-scale comparison of Oklahoma vs. Sri Lanka uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sri Lanka vs. Oklahoma
Flip Comparison · See true size
See Sri Lanka on top of Oklahoma
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Quality of Life Comparison · 4 statistics
Make 3.9 times more money in Oklahoma
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Cost of Living Comparison · 7 categories - 2026 data
Oklahoma is 9.1 times more expensive than Sri Lanka overall
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