With inflow jets, RFD, and other complicating factors, it would be probably hard to pin down even IF a tornado's with corresponded with the condensation funnel... which tends to be vastly smaller than the actual area of damaging winds.
It's easy to imagine a tornado as a solid entity with defined spatial parameters, but it's probably better to envision as a process rather than an entity, with fluid transitions and interactions that are really hard to pin down; case in point the Mulhall OK tornado of 1999 with its 4+ mile wide swath of significant damage.
We usually define tornado width by the outermost points of EF0-threshold damage but those with better mathematical foundation could might be able to extrapolate how far beyond that the tornado as a rotating updraft process exerted influence... if we use the furthest point where there is any indication nof a pressure fall or wind shift I'd imagine it would be far larger than we would think even for very weak tornadoes