The average bus between Amersham and Portsmouth Harbour takes 3h 49m and the fastest bus takes 3h 35m. The bus service runs several times per day from Amersham to Portsmouth Harbour. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 3 times a day between Amersham and Portsmouth Harbour. The earliest departure is at 9:45 AM in the morning, and the last departure from Amersham is at 5:49 PM which arrives into Portsmouth Harbour at 9:50 PM. All services require a transfer at Maxwell Road and take an average of 3h 49m. The schedules shown below are for the next available departures.


4h 10m • 2 changes


4h 5m • 2 changes


3h 39m • 2 changes


4h 4m • 2 changes


4h 6m • 2 changes


3h 36m • 2 changes


4h 1m • 2 changes


4h 1m • 2 changes
Want to know about travelling from Amersham to Portsmouth Harbour? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Amersham to Portsmouth Harbour. However, there are services departing from Amersham station and arriving at Portsmouth Harbour station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 3h 49m.
Amersham to Portsmouth Harbour bus services, operated by Carousel Buses, depart from Maxwell Road station.
Amersham to Portsmouth Harbour bus services, operated by Carousel Buses, arrive at St Georges Square station.
The distance between Amersham and Portsmouth Harbour is 102.6 km. The road distance is 142 km.
You can take a bus from Gore Hill to Portsmouth Harbour via Maxwell Road, Heathrow Central Bus Station, and St Georges Square in around 3h 53m.