How far is it to the closest Galaxy?
Our solar system is part of a local group of galaxies.
Our solar system is part of the Milky Way galaxy, the centre of which is about 27,000 light years away.
The Milky Way has a number of satellite galaxies, the closest is the Canis Major dwarf galaxy which is about 25,000 light years away.
The nearest galaxy which is not a satellite of the Milky Way is Andromeda. It is about 2,540,000 light years away.