How Far is Mars from Earth?
The following chart shows the distance of Mars from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.
The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of Mars from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Mars to Earth
Between January 1900 and January 2100 the closest approach of Mars to Earth happens on Wed Aug 27 2003 at a distance of 0.37273052 Astronomical Units, or 55,759,692 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.