Convert from gigameter to league [US statute]

Unit Definition (gigameter)
The Gigameter (or Gigametre) a metric unit of distance equal to one million kilometers or about 621,371.2 miles. It is seldom used, but this unit would be a good yardstick for the inner Solar System: the distance from the earth to the sun is about 149.60 gigameters.

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.