* Compared to planets: Stars are huge. Our Sun, a relatively small star, is over 100 times wider than Earth.

* Compared to other stars: Stars come in a wide range of sizes. Our Sun is considered a "medium-sized" star. There are giant stars many times larger than our Sun, and dwarf stars much smaller.

* Compared to the universe: Even the largest stars are incredibly small compared to the vastness of space.

So, the answer to your question is it depends.