Start on A420 at the eastern litter sign in the long lay-by just east of the Kingston Bagpuize by-pass roundabout with A415. Go west on A420 past Faringdon to turn at the Watchfield roundabout. Return east to the Kingston Bagpuize roundabout and turn. Repeat the lap via the Watchfield turn. Return again eastwards but go straight on at the Kinston Bagpuize roundabout for a further 2.164 miles, to finish at the western litter sign in the lay-by just west of Tubney Wood