Is Odometer And Mileage The Same?

Is Odometer And Mileage The Same? As nouns the difference between odometer and mileage is that odometer is an instrument attached to the wheel of a vehicle, to measure the distance traversed while mileage is the total distance, in miles, travelled. How do you convert odometer to miles? There are 0.62137119223733 miles in 1 kilometer.