With this information, you can calculate the quantity of kilometers 21 leagues is equal to.

¿What is the inverse calculation between 1 kilometer and 21 leagues?

Performing the inverse calculation of the relationship between units, we obtain that 1 kilometer is 0.0098630348 times 21 leagues.

Which is the same to say that 21 leagues is 101.38867 kilometers.

Twenty-one leagues equals to one hundred one kilometers. *Approximation

A kilometer is zero times twenty-one leagues. *Approximation