How many miles until the next rest area
O O B-SL_UNIT_DISTANCE O B-SL_DESTINATION_IN_GET_LOCATION B-SL_DESTINATION_IN_GET_LOCATION_SL_LOCATION_MODIFIER B-SL_DESTINATION_IN_GET_LOCATION_SL_CATEGORY_LOCATION I-SL_DESTINATION_IN_GET_LOCATION_SL_CATEGORY_LOCATION