With this information, you can calculate the quantity of millimeters 1000 miles is equal to.
¿What is the inverse calculation between 1 millimeter and 1000 miles?
Performing the inverse calculation of the relationship between units, we obtain that 1 millimeter is 6.2137119e-10 times 1000 miles.
Which is the same to say that 1000 miles is 1.609344e+09 millimeters.
One thousand miles equals to one millimeters. *Approximation
A millimeter is six times one thousand miles. *Approximation