Information from WIKI
A
furlong is a measure of
distance in
imperial units and
U.S. customary units. It is equal to one-eighth of a
mile or 660
feet or 201.168
metres.
Five furlongs are approximately 1
kilometre (1.00584 km to be exact). Since the original
definition of the
metre was one-quarter of one ten-millionth of the circumference of the Earth (along the great circle coincident with the
meridian of
Longitude passing through Paris), the circumference of the Earth is about 40,000 km or about 200,000 furlongs.
hmm.. Guess I learned something today