You can't. The easiest way is to walk. It takes about 15 minutes. From Waterloo Station turn right onto Stamford Street and then left over Blackfriars Bridge.
You can get an underground train and an overground train from London Bridge.
Well the easiest way would be to use the London Underground. If it is imperative to use a train there is the London Overground Network. A link to the Underground/Overground rail network can be found below.
the London train station
Take a train from London Waterloo station.
train from guildford station to London Waterloo
Yes, from Waterloo Station.
Paddington. There are slower trains from Waterloo.
It is in Rotherhithe, on the East London Line of the London Overground network. 51°29'36" N, 0°02'52" W
20.20 is the last train and gets to Crewkerne at 23.06
The busiest train station in the UK is London Waterloo.
About 1 hour 30 minutes from Waterloo Station.
As there are no direct trains from Heathrow to London Waterloo, it's quicker to travel by underground from Heathrow on the Piccadilly Line to Leicester Square Underground Station and then change onto the Northern Line to London Waterloo Railway Station.