Colombia is about 3.7 times bigger than Oman.

Oman is approximately 309,500 sq km, while Colombia is approximately 1,138,910 sq km, making Colombia 268% larger than Oman. Meanwhile, the population of Oman is ~3.8 million people (45.3 million more people live in Colombia).
This to-scale comparison of Oman vs. Colombia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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