With this information, you can calculate the quantity of leagues 40 miles is equal to.

¿What is the inverse calculation between 1 league and 40 miles?

Performing the inverse calculation of the relationship between units, we obtain that 1 league is 0.075 times 40 miles.

Which is the same to say that 40 miles is 13.333333 leagues.

Forty miles equals to thirteen leagues. *Approximation

A league is zero times forty miles. *Approximation