The Earth is the 3rd planet from the Sun while Mars is the 4th. There is no known planet in between the Earth and Mars.
if your asking what planet is between mars and the earth, the answer is none.
Mars follows Earth as the next planet out from the sun.
Earth.
mars
Mars' closest planet is Earth. On average, the distance between Earth and Mars is about 225 million kilometers (140 million miles), but this can vary depending on their positions in their respective orbits around the Sun.
The next one in is Earth, the next one out is Jupiter, although there is a dwarf planet in the asteroid belt between Mars and Jupiter called Ceres.
After Earth, the next planet in our solar system is Mars. It is the fourth planet from the Sun, located between Earth and Jupiter. Mars is known as the "Red Planet" due to its reddish appearance, caused by iron oxide on its surface.
Earth and jupiter
The planet whose orbit is between those of Venus and Mars is Earth.
The planet that is further from the Sun than Earth but closer than Jupiter is Mars. Mars is the fourth planet from the Sun, situated between Earth and Jupiter.
it is our planet earth
the location of mars is: in the solarsystem the fourth planet from sun ,also between earth and jupiter