Originally Posted by HillRider

The "Velo" is the lowest model in Cat-Eye's line so it has the fewest features. The Mity and Enduro cyclometers do indeed let you enter a pre-existing mileage value in the odometer so getting one of them will do what you want. They aren't much more expensive.

Actually, you already have a way to record the current miles. It's called a pen and paper.