Micronesia, Federated States of is about 354 times smaller than Oregon.

Oregon is approximately 248,631 sq km, while Micronesia, Federated States of is approximately 702 sq km, making Micronesia, Federated States of 0.28% the size of Oregon. Meanwhile, the population of Oregon is ~3.8 million people (3.7 million fewer people live in Micronesia, Federated States of).
Tip: This to-scale comparison of Oregon vs. Micronesia, Federated States of uses the Mercator projection, which distorts the size of regions near the poles.