About 687 Earth days.
It takes 687 Earth days for mars to orbit the Sun
Mars takes 686.971 (or 687 days) Earth days to orbit the Sun.
It takes 88 days to orbit the sun.
THE ANSWER IS 687 EARTH DAYS
It takes 687 days for the planet mars to orbit the sun.
Mars completes an orbit of the sun every 686.971 earth days. That's about 22½ months.
It takes about 687 Earth days.
Mars takes 1.8808476 years to orbit the sun which is roughly 687 days.
Around eighteen years.
686.971 Earth days.
1 year and 322 days
Mars period of revoultion around the sun, its orbit, is 686.971 Earth days long.