Convert from arms-length to league [US statute]

Unit Definition (arms-length)
An Arms length is standardized as a unit of distance equal to approximately 70 centimeters, or 28 inches. An arms length is the same as the modern Italian Braccio and very similar to the Turkish Pik.

Unit Definition (league [US statute])
League is a unit of distance long common in Europe and Latin America, although no longer an official unit in any nation.