With this information, you can calculate the quantity of millimeters 670 miles is equal to.
¿What is the inverse calculation between 1 millimeter and 670 miles?
Performing the inverse calculation of the relationship between units, we obtain that 1 millimeter is 9.2741969e-10 times 670 miles.
Which is the same to say that 670 miles is 1.0782605e+09 millimeters.
Six hundred seventy miles equals to one millimeters. *Approximation
A millimeter is nine times six hundred seventy miles. *Approximation