Andromeda is several light years away from the earth.

There is no such thing as how far a constellation is from the earth.

Constellations are actually patterns made up of different bright stars. Where are these stars? Celestial sphere? Projection on.

These bright stars are far away from each other, but on the earth, they form a pattern in a similar direction, that is, a constellation-so we can't say how far a constellation is from the earth.

Andromeda galaxy (M3 1), also known as Andromeda Nebula, is about 2.2 million light years away from the Earth, and together with the Milky Way, it is the main member of this galaxy group. But Andromeda and Andromeda galaxy are two concepts.

For Andromeda, it is mainly composed of bright stars in the picture, and their distance from the earth is within 200 light years: