820 parsecs equals 2,674.48 lightyears.
Convert 820 parsecs into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, etc...
Convert 2675 lightyears into meters, kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, etc...