Mike Bristow wrote:
In article ,
Andy wrote:
The longest Tube journey is on the Central Line, West Ruislip to
Epping, at 54.9 km (34.1 miles).

Can't you do Cockfosters - Cockfosters via the Heathrow loop that
would be longer?

If you're lucky you can probably do somewhere-in-west-london and
back again on the central line via it's loop - or do they turf
passengers out of those trains?

But it would still be shorter than the Hammersmith-Barking route that I
posted in this thread on 18 April, which involves 20 laps of the Circle
Line.
--
Richard J.
(to e-mail me, swap uk and yon in address)