Country size comparison
compared to
Djibouti is about 13 times smaller than Oman.
Oman is approximately 309,500 sq km, while Djibouti is approximately 23,200 sq km, making Djibouti 7.5% the size of Oman. Meanwhile, the population of Oman is ~3.8 million people (2.8 million fewer people live in Djibouti).
Compare further: Djibouti vs. Oman