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.
The Earth's Orbit. It takes roughly 365 days for the Earth to go around the Sun once. This means that the Earth is rushing through space around the Sun at a rate of about 67,000 miles per hour! The time it takes for the Earth to go around the Sun one full time is what we call a year.