With this information, you can calculate the quantity of inches 680 miles is equal to.
¿What is the inverse calculation between 1 inch and 680 miles?
Performing the inverse calculation of the relationship between units, we obtain that 1 inch is 2.3210042e-08 times 680 miles.
Which is the same to say that 680 miles is 43084800 inches.
Six hundred eighty miles equals to forty-three million eighty-four thousand eight hundred inches. *Approximation
A inch is two times six hundred eighty miles. *Approximation