25 inches in circumference would be the largest normal (not  hydrocephalic) head.    The world record holder is Rick Walters.
Trending Now. Answers. Best Answer: 365 days, 5 hours, 49 minutes and 1.20 seconds (or 365.242375 days). The distance is not so easy; the Earth doesn't travel in a circle through space. With relation to the Sun, it does, but since the Sun is moving, the Earth moves in a helixal orbit.
It takes the earth 365 days, 6 hours, 9 minutes, 9.54 seconds to orbit the sun. It takes Venus 0.6152 of our years to orbit the sun. A free Best Answer to whoever does the math.