Which planet comes closest to the earth in its orbit around the sun?

Answer 1

Venus
Earth at aphelion is 1.016 AU from the sun, at perihelion is .983 AU from the sun : Venus at aphelion is .728 AU from the sun - .265 AU from the Earth at perihelion - and Mars at perihelion is 1.3814 AU from the sun - .365 AU from the Earth at aphelion.