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Learn the average and variable distance between Earth and the Sun , and how it affects seasons and orbits. Find out the history and methods of measuring the distance , and the new definition of the astronomical unit. Calculate Earth 's distance from the Sun with our solar distance calculator. See live AU, km, and mile measurements with orbital visualization and perihelion/aphelion tracking. The maximum distance of the Sun to the Earth is around 94.5 million miles (152 million km. The average distance from the Sun to the Earth is 92,957,130 miles (149,600,000 km). What is an astronomical unit (AU)? The so-called astronomical unit corresponds to the average distance from the Sun , about 93 million miles (150 million km). The up-to-date value is then displayed on this page. How do scientists calculate the real-time distance between the Sun and earth ? Scientists calculate the live distance between the Sun and Earth using a combination of mathematics, astronomical data, and the principles of celestial mechanics.