What is the orbital speed of Venus?

The average orbital speed of Venus is 78,339 mph, at which it takes 224.70 Earth-days to complete one revolution around the sun along an orbit circumference of 422,4665,538 miles, according to the National Aeronautical and Space Authority.

NASA indicates that the atmosphere of Venus contains mostly carbon dioxide and nitrogen. The average radius of Venus is 3,760.4 miles and the circumference at the equator is 23,627.4 miles. Venus is Earth's next door neighboring planet, located 162 million miles away at its farthest and as little as 24 million miles when the orbits of the two planets come closest every 584 days, according to Space.com.