Sri Lanka is about 4.7 times smaller than Oman.

Oman is approximately 309,500 sq km, while Sri Lanka is approximately 65,610 sq km, making Sri Lanka 21.2% the size of Oman. Meanwhile, the population of Oman is ~3.8 million people (19.4 million more people live in Sri Lanka).
This to-scale comparison of Oman vs. Sri Lanka uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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