The following stations are within Zone 4:
- Abbey Wood , Alperton , Angel Road , Anerley , Arnos Grove
- Barking , Barkingside , Beckenham Hill , Beckenham Junction , Boston Manor , Bounds Green 3, Bowes Park 3, Brentford , Bromley North , Burnt Oak
- Castle Bar Park , Chigwell , Cheam , Chiswick , Clock House , Colindale , Crystal Palace 3
- Drayton Green
- East Ham 3, Edmonton Green , Elmers End , Elmstead Woods , Eltham
- Fairlop , Falconwood , Finchley Central
- Gants Hill , Goodmayes , Grange Hill , Greenford , Grove Park
- Hackbridge , Hainault , Hanwell , Hendon 3, Hendon Central 3, Highams Park , Hounslow Central , Hounslow East
- Ilford , Isleworth
- Kent House , Kenton , Kew Bridge , Kew Gardens 3, Kingsbury
- Leytonstone 3, Lower Sydenham
- Malden Manor , Manor Park 3, Mill Hill Broadway , Mill Hill East , Mitcham Junction , Morden , Morden South , Motspur Park , Mottingham
- New Beckenham , New Eltham , New Malden , New Southgate , Newbury Park , North Wembley , Northwick Park , Norwood Junction
- Oakleigh Park , Osterley
- Palmers Green , Penge East , Penge West , Perivale , Plumstead , Preston Road
- Queen's Park
- Ravensbourne , Raynes Park , Redbridge , Richmond
- Selhurst , Seven Kings , Shortlands , Silver Street , Snaresbrook , South Greenford , South Kenton , South Merton , South Wimbledon 3, South Woodford , Southall , Southgate , Sudbury & Harrow Road , Sudbury Hill , Sudbury Hill Harrow , Sudbury Town , Sundridge Park , Sutton Common , St. Helier , St Margarets , Syon Lane
- Thornton Heath , Totteridge & Whetstone
- Upney
- Wanstead , Welling , Wembley Central , Wembley Park , Wembley Stadium , West Finchley , Winchmore Hill , Wood Street , Woodford , Woodgrange Park 3, Woodside Park , Woolwich Arsenal , Worcester Park
:3 also in Zone 3
In calculating fares to or from stations on the boundary of two zones, the station is assumed to be in the zone which yields the cheaper fare.
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