The average train between Portsmouth and Streatham takes 2h 35m and the fastest train takes 1h 53m. There is a train service every few hours from Portsmouth to Streatham. 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 Portsmouth and Streatham. The earliest departure is at 4:31 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into Streatham at 6:22 AM. All services require a transfer, and take on average 2h 35m. The schedules shown below are for the next available departures.

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2h 6m • 1 changeWant to know about travelling from Portsmouth to Streatham? 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 Portsmouth to Streatham. However, there are services departing from Portsmouth & Southsea station and arriving at Clapham Junction station via Clapham Junction station. The journey, including transfers, takes approximately 2h 35m.
Portsmouth to Streatham train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Streatham train services, operated by South Western Railway, arrive at Clapham Junction station.
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The distance between Portsmouth and Streatham is 96.9 km. The road distance is 112 km.
South Western Railway operates a train from Portsmouth & Southsea to Clapham Junction hourly. Tickets cost £25–55 and the journey takes 1h 49m.