"Ben Nunn
From what I've heard:

Jubilee line extends from Charing X to Aldwich, including a lengthy reversal
siding.

Charing Cross station = 42.39km, end of line = 41.86km



Victoria Line South of Brixon negotiates a fairly tight curve as far as the
Upper Tulse Hill area where (in some proposals) a Station would've been
sited on the abortive Streatham extension.

Brixton station = 48.61km, end of line = 49.02km



Bakerloo Line beyond Elephant has one tunnel only that goes most of the way
to Camberwell.

No track in tunnel, so don't know the distance of that one, sorry!



At the north end of the Vic, it goes a fair distance towards walthamstow
wood st.

Walthamstow station = 27.33km, end of line = 26.98km


PhilD

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