Milky Way Galaxy: Position of Solar System within this galaxy (where is earth)
Do you mean what order the Earth is in? The planets in order from closest to farthest from the sun are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto is technically just a dwarf planet but I'll include it anyways.
The 3rd farthest from the sun, or 7.611 parasects from the center of the galixy