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How Far Is Mercury from the Sun?

Mercury's Orbit Diagram
Orbit of Mercury relative to other planets in our solar system. (Image credit: Spacestationinfo.com)

Mercury is the closest planet to the sun. Mercury’s orbit is not a perfect circle, so its distance from the sun varies. The minimum distance from the sun to Mercury is 28.5 million miles. The maximum distance is 43.5 million miles.

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Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.