The average train between Twickenham and Portsmouth takes 2h 29m and the fastest train takes 1h 50m. There is a train service every few hours from Twickenham 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.
Trains run hourly between Twickenham and Portsmouth. The earliest departure is at 12:03 AM at night, and the last departure from Twickenham is at 11:25 PM which arrives into Portsmouth at 1:40 AM. All services require a transfer, and take on average 2h 29m. The schedules shown below are for the next available departures.

2h 11m • 1 change
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1h 57m • 1 change
2h 25m • 1 change
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2h 22m • 1 changeWant to know about travelling from Twickenham 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 train from Twickenham to Portsmouth. However, there are services departing from Clapham Junction station and arriving at Portsmouth & Southsea station via Portsmouth & Southsea station. The journey, including transfers, takes approximately 2h 29m.
Twickenham to Portsmouth train services, operated by South Western Railway, depart from Clapham Junction station.
Twickenham to Portsmouth train services, operated by South Western Railway, arrive at Portsmouth & Southsea station.
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The distance between Twickenham and Portsmouth is 89 km. The road distance is 103 km.
South Western Railway operates a train from Clapham Junction to Portsmouth & Southsea hourly. Tickets cost £25–55 and the journey takes 1h 53m.