| Number | Service (From/To) | General Details | Operator | | 66 | London to Milton Keynes | Mon to Sun (every 60 mins) | London Midland |
| Via Watford Junction-Hemel Hempstead-Berkhamsted-Tring-Cheddington ..... more |
| | London to Northampton | Sun (every 60 mins) | " |
| Via Harrow (Harrow and Wealdstone Rail Station)-Watford Junction ..... more |
| 114 | Amersham to Aylesbury | Sun (7 trips) | Chiltern Railways |
| Via Great Missenden-Wendover-Stoke Mandeville |
| | Aylesbury to Princes Risborough | Mon to Sat (11 trips, 10 back) Sun (1 trip) | " |
| Via Little Kimble-Monks Risborough |
| | London to Aylesbury | Mon to Sat (every 60 mins) | " |
| Via Harrow on the Hill-Rickmansworth-Chorleywood-Little Chalfont (Chalfont and Latimer Rail Station) ..... more |
| | London to Aylesbury Vale Parkway | Mon to Sun (every 60 mins) | " |
| Via Harrow on the Hill-Rickmansworth-Chorleywood-Little Chalfont (Chalfont and Latimer Rail Station) ..... more |
| 115 | London to Banbury | Mon to Fri (7 trips, 8 back) Sat (every 60 mins) Sun (every 60 mins) | " |
| Via High Wycombe-Princes Risborough-Haddenham (Haddenham and Thame Parkway Rail Station) ..... more |
| | London to Bicester | Mon to Fri (16 trips, 15 back) Sat (5 trips) Sun (5 trips) | " |
| Via Gerrards Cross-Beaconsfield-High Wycombe-Princes Risborough ..... more |
| | London to Birmingham | Mon to Sun (every 60 mins) | " |
| Via High Wycombe-Princes Risborough-Haddenham (Haddenham and Thame Parkway Rail Station) ..... more |
| | London to High Wycombe | Mon to Sat (every 30 mins) | " |
| Via Wembley (Stadium Rail Station)-Northolt (Northolt Park Rail Station) ..... more |
| | London to Princes Risborough | Mon to Fri (6 trips) | " |
| Via Gerrards Cross-Beaconsfield-High Wycombe |
| | London to Stratford upon Avon | Mon to Sun (every 120 mins) | " |
| Via Gerrards Cross-Beaconsfield-High Wycombe-Princes Risborough ..... more |
| | London to High Wycombe | Only this direction, Mon to Fri (1 trip) | " |
| Via Gerrards Cross-Beaconsfield |
| 117 | London to Reading | Mon to Sat (every 30 mins) Sun (every 60 mins) | Great Western Railway |
| Via Ealing Broadway-Southall-Hayes (Hayes and Harlington Rail Station) ..... more |
| 120 | Bourne End to London | Mon to Fri (2 trips, 3 back) | " |
| | Maidenhead to Marlow | Mon to Sun (every 60 mins) | " |
| Via Furze Platt-Cookham Rise (Cookham Rail Station)-Bourne End |
| Metropolitan | Aldgate to Chesham | Mon to Fri (31 trips, 30 back) Sat (every 30 mins) Sun (every 30 mins) | London Underground |
| Via London (Liverpool Street Station)-London (Moorgate Underground Station) ..... more |
| | Amersham to Aldgate | Only this direction, Mon to Fri (13 trips) | " |
| Via Little Chalfont-Chorleywood-Rickmansworth-Moor Park-Northwood ..... more |
| | Amersham to Aldgate | Mon to Fri (27 trips, 36 back) Sat (every 30 mins) Sun (every 30 mins) | " |
| Via Little Chalfont-Chorleywood-Rickmansworth-Moor Park-Northwood ..... more |
| | Amersham to Harrow | Evenings only, one way, Mon to Fri (2 trips) | " |
| Via Little Chalfont-Chorleywood-Rickmansworth-Moor Park-Northwood ..... more |
| | Amersham to London | Mon to Sat (1 trip) Sun (2 trips) | " |
| Via Little Chalfont-Chorleywood-Rickmansworth-Moor Park-Northwood ..... more |
| | Amersham to Rickmansworth | TueWedThuFriSat (1 trip) Sun (1 trip) | " |
| Via Little Chalfont-Chorleywood |
| | Chesham to Little Chalfont | Evenings only, one way, Sun (1 trip) | " |
| | Chesham to Rickmansworth | Early Mornings only, TueWedThuFriSat (2 trips) Sun (2 trips) | " |
| Via Little Chalfont-Chorleywood |
| | Chesham to Watford | Early Mornings, this way only, Mon to Sat (1 trip) | " |
| Via Little Chalfont-Chorleywood-Rickmansworth-Croxley Green |
| | London to Amersham | Mon to Fri (11 trips, 7 back) Sat (1 trip) Sun (1 trip) | " |
| Via West Hampstead (Finchley Road and Frognal Rail Station) ..... more |
| | London to Chesham | Mon to Fri (6 trips) Sat (2 trips) Sun (2 trips) | " |
| Via West Hampstead (Finchley Road and Frognal Rail Station) ..... more |
| | London to Chesham | Sun (1 trip) | " |
| Via London (Preston Road Underground Station)-London (Northwick Park Underground Station) ..... more |