The donut is filed as a breakfast food. But a whole layer of American donut culture runs at night: shift workers, teenagers, bar crowds, and bakers starting before midnight.
These shops either open at night, never close, or do their real business after dark. They are nowhere near each other — that is the nature of a thread rather than a route. Take them one at a time, whenever you are near one at an unreasonable hour.
Not a drive. A list of places to be awake in.

