On average, Mars is 228 million kilometers or 142 million miles away from the Sun. However, Mars, like every planet in the Solar System, travels around the Sun in an elliptical orbit. The perihelion, or closest point in its orbit, for Mars is 207 million kilometers or 129 million miles. The aphelion, or farthest point in its orbit, for Mars is 249 million kilometers or 155 million miles.