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

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

Performing the inverse calculation of the relationship between units, we obtain that 1 inch is 3.9457071e-07 times 40 miles.

Which is the same to say that 40 miles is 2534400 inches.

Forty miles equals to two million five hundred thirty-four thousand four hundred inches. *Approximation

A inch is three times forty miles. *Approximation