The average bus between Marble Arch and Portsmouth takes 3h 12m and the fastest bus takes 2h 25m. There is a bus service every few hours from Marble Arch to Portsmouth. 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 every 2 hours between Marble Arch and Portsmouth. The earliest departure is at 6:51 AM in the morning, and the last departure from Marble Arch is at 11:35 PM which arrives into Portsmouth at 2:15 AM. All services require a transfer at Green Line Coach Station and take an average of 3h 12m. The schedules shown below are for the next available departures.

3h 22m • 1 change

3h 2m • 1 change

3h 52m • 1 change

3h 12m • 1 change

3h 59m • 1 change

2h 53m • 1 change

3h 22m • 1 change

3h 2m • 1 change

3h 59m • 1 change

2h 53m • 1 change

3h 12m • 1 change

2h 57m • 1 change

2h 54m • 1 change

3h 28m • 1 change

3h 21m • 1 change

2h 41m • 1 change

2h 54m • 1 change

3h 28m • 1 change

3h 21m • 1 change

2h 41m • 1 change
Want to know about travelling from Marble Arch to Portsmouth? 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 Marble Arch to Portsmouth. However, there are services departing from Marble Arch station and arriving at Portsmouth station via St Georges Square. The journey, including transfers, takes approximately 3h 12m.
Marble Arch to Portsmouth bus services, operated by Green Line, depart from London Victoria station.
Marble Arch to Portsmouth bus services, operated by Green Line, arrive at St Georges Square station.
Book your Marble Arch to Portsmouth bus tickets online with Green Line and National Express.
The distance between Marble Arch and Portsmouth is 102.7 km. The road distance is 136 km.
National Express operates a bus from London Victoria to St Georges Square every 2 hours. Tickets cost £15–40 and the journey takes 2h 50m.