The average train between Portsmouth and Chatham takes 3h 33m and the fastest train takes 2h 42m. There is a train service every few hours from Portsmouth to Chatham. 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 every 2 hours between Portsmouth and Chatham. The earliest departure is at 4:31 AM at night, and the last departure from Portsmouth is at 10:37 PM which arrives into Chatham at 1:33 AM. All services require a transfer at Clapham Junction and take an average of 3h 33m. The schedules shown below are for the next available departures.


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3h 24m • 2 changesWant to know about travelling from Portsmouth to Chatham? 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 Chatham. However, there are services departing from Portsmouth & Southsea station and arriving at Chatham station via Clapham Junction station. The journey, including transfers, takes approximately 3h 33m.
Portsmouth to Chatham train services, operated by South Western Railway, depart from Portsmouth & Southsea station.
Portsmouth to Chatham train services, operated by Southeastern, arrive at Chatham station.
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The distance between Portsmouth and Chatham is 130.2 km. The road distance is 167 km.
You can take a train from Portsmouth & Southsea to Chatham via Clapham Junction and London Victoria in around 2h 57m.