Sound travels much more slowly than light. The speed of light is colloquially known as the cosmic speed limit as physical constraints prevent objects of macroscopic scale from traveling faster than light.
The speed of sound varies based upon the medium through which the sound is traveling, but at average temperature, altitude and pressure on Earth, sound travels at 750 miles per hour. This translates to 0.2 miles per second. A light beam moving through Earth's atmosphere at similar conditions travels at 186,226.5 miles per hour. This is slightly less than c, the maximum speed of light, due to air refraction. C is equivalent to the speed of light traveling through a vacuum and is 186,282.4 miles per second.