Here is a map of the approximate route of the Piccadilly line on the London Underground along with the stations that are on the line.
| Station | Zone |
|---|---|
| Cockfosters | 5 |
| Oakwood | 5 |
| Southgate | 4 |
| Arnos Grove | 4 |
| Bounds Green | 3,4 |
| Wood Green | 3 |
| Turnpike Lane | 3 |
| Manor House | 2,3 |
| Finsbury Park | 2 |
| Arsenal | 2 |
| Holloway Road | 2 |
| Caledonian Road | 2 |
| Kings Cross St. Pancras | 1 |
| Russell Square | 1 |
| Holborn | 1 |
| Covent Garden | 1 |
| Leicester Square | 1 |
| Piccadilly Circus | 1 |
| Green Park | 1 |
| Hyde Park Corner | 1 |
| Knightsbridge | 1 |
| South Kensington | 1 |
| Gloucester Road | 1 |
| Earls Court | 1,2 |
| Barons Court | 2 |
| Hammersmith (District) | 2 |
| Turnham Green | 2 |
| Acton Town | 3 |
| Ealing Common | 3 |
| South Ealing | 3 |
| North Ealing | 3 |
| Northfields | 3 |
| Park Royal | 3 |
| Boston Manor | 4 |
| Alperton | 4 |
| Osterley | 4 |
| Sudbury Town | 4 |
| Hounslow East | 4 |
| Hounslow Central | 4 |
| Sudbury Hill | 4 |
| South Harrow | 5 |
| Hounslow West | 5 |
| Rayners Lane | 5 |
| Hatton Cross | 5,6 |
| Eastcote | 5 |
| Heathrow Terminal 4 | 6 |
| Heathrow Terminals 1 2 3 | 6 |
| Heathrow Terminal 5 | 6 |
| Ruislip Manor | 6 |
| Ruislip | 6 |
| Ickenham | 6 |
| Hillingdon | 6 |
| Uxbridge | 6 |