How far is 880 miles ?

According to my Nike+, i've run 880 miles. Since the Nike+ stops working when it's around 25 degrees (F) outside, and also seems to stop at other weird times, and the batter has died, i've actually run farther than 880 miles.
This is what 880 miles from home looks like - I'm in Bermuda !!! I'm above Labrador ! I'm in Florida !! How cool !