First, lets look at the distance between Earth and Mars. The closest approach of the two planets occurred in 2003, when they were only 56 million km apart. How long does it take to get to Mars, how many light years away is it and what’s Elon Musk’s SpaceX launch? Elon Musk believes humans landing on Mars could happen within the next ten years. How Long Does It Take to Get to Mars? By Nola Taylor Redd 14 November 2017. Shares. In 2003, Mars made its closest approach to Earth in almost 60,000 years. How long does it take to get to Mars? The total journey time from Earth to Mars takes between 150-300 days depending on the speed of the launch, the alignment of Earth and Mars. How Long Does it Take to Get to Mars From Earth – Speed of the Craft. In case those distances didn’t already sound large enough, it might help to put them into perspective by looking at the speed of light, which is approximately 186,282 miles per second. To answer the question “how long does it take to get to Mars”, we have averaged that Mars travel is around 7 months, give or take a couple of months. Most of our successful launches have reached Mars within 9 months, and many of those missions have taught us a lot about Mars and its atmosphere. Mars could be our future home, but only if we figure out a faster way to get there. Watch More Space Crafts! | Read More: How Far Away. 12 марта 2017 Maria Yanovskaya ответил: First, lets look at the distance between Earth and Mars. The closest approach of the two planets occurred in 2003, when they were only 56 million km apart. On average the distance between the two planets is 140 million miles (225 million km). Now lets make some assumptions! Assume you either waited long enough for the next perihelion or have. Mars is the fourth planet from the sun, and is easily visible in the night sky – even without a telescope! When looking at the sky, you may see the stars twinkling. You can look for the difference between a star and a planet by keeping an eye out for ‘stars’ that don’t twinkle, or … Continue reading How Long Does it Take to Get to Mars?