Strangely, it's Westminster, on the Circle, District and Jubilee lines.
The nearest tube station is Canada Water station.
Romford doesn't have a tube station but the mainline station has a frequent service to London Liverpool Street. The nearest tube station is Upminster.
Camden Tube Station
Nearest to what
Leicester Square has its own tube station.
Arsenal
Westminster
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Westminster
The nearest tube station to Grove Park is the Bromley North station, which is around a mile away. However, for direct access to the London Underground, you can reach the nearest station, which is the Lewisham station, by taking a bus or train. Lewisham connects to the DLR and the Southeastern rail services, providing access to the Tube network.
Westminster or Waterloo
The nearest tube station is Waterloo.