What is the distance between the earth and Mars? Astronomy Our Solar System The Planets 1 Answer Kitty Mar 28, 2018 See below. Explanation: Earth is about 225 million km (approx. 139 million miles) away from Mars. It would take about 300 days to travel there by spacecraft. Learn more about Mars here Learn more about Earth here Learn about space travel here Hope it helps (: Answer link Related questions What effect does Earth’s gravitational force have on objects of different masses? What solar system is Pluto in? Which planet in our solar system is most earth like? What is the closest planet to the sun? Why are the planets closest to the sun rocky? Why is earth closest to the sun in January? Why is Mars closest to the Earth in August? What is accretion, and how did it form the Earth? How does accretion explain planet formation? How does accretion form planets? See all questions in The Planets Impact of this question 3401 views around the world You can reuse this answer Creative Commons License