how far is mercury from earth?
How far is Mercury from Earth? Mercury is the first planet from Sun and Earth is the third planet from the Sun. Mercury is an average distance of 48 million miles (77 million km) from Earth. The precise distance between the two planets depends on where they are in their respective orbits. Cool Cosmos is an IPAC website. Based on Government Sponsored Research NAS7-03001 and NNN12AA01C.