Convert from pie [Argentina] to league [nautical]

Unit Definition (pie [Argentina])
The pie is a traditional foot of Spain. The pie equals 1/3 vara or 12 pulgadas. The Argentine length is 28.89 centimeters or 11.37 inches.

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.