Convert from Paris foot to league [nautical]

Unit Definition (Paris foot)
The Paris foot is an English name for the French royal foot (pied de roi).

Unit Definition (league [nautical])
The nautical league is approximately equal to three nautical miles, 1/20 degree, or 5556 meters (metres). Note that it is not equivalent to the portugese, french and spanish measurements of the league. The nautical league is also different from the league defined on land.