One light-year is the distance light travels in one year, which is approximately 5.88 trillion miles. So, 2 light-years is about 11.76 trillion miles.

Light-years are used because the distances in space are incredibly vast, making miles impractical and difficult to comprehend. A light-year provides a more manageable scale.

Light travels at approximately 186,282 miles per second.

2 light-years is equal to 11,757,585,699,514.8320 miles.