Pluto is the farthest planet from the Sun.It has an oval-shaped orbit.Pluto's distance from the Sun changes a great deal.At the closest it's 4,425 million km (2,750 million miles) from the Sun! It's farthest is 7,375 million km (4,583 million miles) away. Since Pluto is so far away, it's very hard to see from Earth. Pluto only has one moon and it's called Charon.