08:37 06/16/2024 Why you can go to the Andromeda Galaxy, which is 2.5 million light years away 0 (0) If you can reach 99.9999999999995% of the speed of light, the time it takes to get to Andromeda is 2.5 years, 5 years round trip. The problem is that if you go back, you will reach the Earth 5 million years later. How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.