Honolulu is about 1,975 times smaller than Oman.

Oman is approximately 309,500 sq km, while Honolulu is approximately 157 sq km, making Honolulu 0.05% the size of Oman.
Tip: This to-scale comparison of Oman vs. Honolulu uses the Mercator projection, which distorts the size of regions near the poles.