Conversion formula

The conversion factor from kilometers to miles is 0.62137119223733, which means that 1 kilometer is equal to 0.62137119223733 miles:

1 km = 0.62137119223733 mi

To convert 680 kilometers into miles we have to multiply 680 by the conversion factor in order to get the length amount from kilometers to miles. We can also form a simple proportion to calculate the result:

1 km → 0.62137119223733 mi

680 km → L_(mi)

Solve the above proportion to obtain the length L in miles:

L_(mi) = 680 km × 0.62137119223733 mi

L_(mi) = 422.53241072139 mi

The final result is:

680 km → 422.53241072139 mi

We conclude that 680 kilometers is equivalent to 422.53241072139 miles:

680 kilometers = 422.53241072139 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 0.0023666823529412 × 680 kilometers.

Another way is saying that 680 kilometers is equal to 1 ÷ 0.0023666823529412 miles.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty kilometers is approximately four hundred twenty-two point five three two miles:

680 km ≅ 422.532 mi

An alternative is also that one mile is approximately zero point zero zero two times six hundred eighty kilometers.

Conversion table

kilometers to miles chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers to miles