* Constellations are not physical objects: Constellations are patterns of stars that appear close together in our sky from Earth's perspective. However, the stars in a constellation can be at vastly different distances from us.
* Stars in Leo are at different distances: The stars that make up Leo are spread out over a huge region of space. Some are much closer to us than others.
Therefore, to determine the distance between the Sun and a particular star in Leo, you would need to specify which star you're interested in.
For example, the star Regulus, the brightest star in Leo, is approximately 77 light-years from Earth.
