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 688 kilometers into miles we have to multiply 688 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

688 km → L_(mi)

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

L_(mi) = 688 km × 0.62137119223733 mi

L_(mi) = 427.50338025929 mi

The final result is:

688 km → 427.50338025929 mi

We conclude that 688 kilometers is equivalent to 427.50338025929 miles:

688 kilometers = 427.50338025929 miles

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile is equal to 0.0023391627906977 × 688 kilometers.

Another way is saying that 688 kilometers is equal to 1 ÷ 0.0023391627906977 miles.

Approximate result

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

688 km ≅ 427.503 mi

An alternative is also that one mile is approximately zero point zero zero two times six hundred eighty-eight 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