Something I've actually found quite interesting to work out - through Google Earth, or those maps which show tube lines under streets.
If you read the HMRI report into Moorgate, there's evidence from a witness on the train who was passing the time of the journey by following the train's journey in his mind on the surface. Actually had it quite accurate, he said he thought they were under Finsbury Square when the train started lurching over the crossovers.
Well the Bakerloo is easy ain't it. From E & C It's London Road, Lambeth Road, Waterloo Station, [NR] The Thames. Northumberland Avenue, Trafalgar Square, Haymarket, Piccadilly Circus, Regent Street, and so on.