how far is the nearest star
The second nearest star is Proxima â¦ Centauri approximately 4.2 light-years away. It is in the Alpha Centauri star system.   It's size is 1/7 that of the sun but it is about 40 times more dense.   There is a tie for third.he nearest star (besides our sun) is 4.24 light-years from earth. This means that light emitted for this star takes 4.24 years to reach earth. Some stars are over millions of light-years away. The closest star is the sun.