With this information, you can calculate the quantity of nautical miles 680 miles is equal to.

¿What is the inverse calculation between 1 nautical mile and 680 miles?

Performing the inverse calculation of the relationship between units, we obtain that 1 nautical mile is 0.0016923227 times 680 miles.

Which is the same to say that 680 miles is 590.90384 nautical miles.

Six hundred eighty miles equals to five hundred ninety nautical miles. *Approximation

A nautical mile is zero times six hundred eighty miles. *Approximation