Fenchurch Street, although Tower Hill is fairly close by.
Fenchurch street
Camden Tube 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.
Hillingdon tube station was created in 1923.
Stockwell tube station was created in 1890.
Debden tube station ended in 1916.
Debden tube station was created in 1919.
Barbican tube station was created in 1865.
Hampstead tube station was created in 1907.
Northfields tube station was created in 1908.
Alperton tube station was created in 1903.
Knightsbridge tube station was created in 1906.