Another thread got me thinking - thanks for the inspiration, Lordgoata. How wide do you define "London"
GWR▸ have their faults, but at least they know where their boundaries are. How TfL» ever managed to define Maidenhead, let alone Reading, as London, I will never know.
At one extreme, there's the square mile -The City of London
The Metropolitain Railway used to to out to Brill and Verney Junction, and have services to Southend
I have had customers from outside the
UK▸ stay somewhere in a London postcode area and assume the Melksham is London too, as being within an easy communing distance out on a daily basis for an IT course.