The main difference is Baseball players throw the ball Overhand, while softball players throw the ball Underhand. Secondly, the pitchers throw the ball from a distance of 60feet and 6inches in baseball. In Softball, the ball is thrown from 43feet away. Thirdly, baseballs have a circumference of just 9inches and use a White ball. In Softballs, the circumference is 12 inches and is Yellow.