The average train between Chelmsford and Portsmouth Harbour takes 2h 54m and the fastest train takes 2h 22m. The train runs at least 2 times per hour from Chelmsford 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.
Trains run every 30 minutes between Chelmsford and Portsmouth Harbour. The earliest departure is at 12:06 AM at night, and the last departure from Chelmsford is at 11:58 PM which arrives into Portsmouth Harbour at 7:43 AM. All services require a transfer at Stratford (London) and take an average of 2h 54m. The schedules shown below are for the next available departures.


2h 41m • 2 changes


2h 41m • 2 changes


2h 42m • 2 changes


2h 46m • 2 changes


3h 9m • 2 changes


2h 27m • 2 changes


2h 38m • 2 changes


2h 36m • 2 changes


9h 53m • 2 changes


3h 9m • 2 changes


3h 35m • 2 changes


3h 17m • 2 changes
Want to know about travelling from Chelmsford 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 train from Chelmsford to Portsmouth Harbour. However, there are services departing from Chelmsford station and arriving at Portsmouth Harbour station via Stratford (London). The journey, including transfers, takes approximately 2h 54m.
Chelmsford to Portsmouth Harbour train services, operated by Greater Anglia, depart from Chelmsford station.
Chelmsford to Portsmouth Harbour train services, operated by Greater Anglia, arrive at Portsmouth Harbour station.
Book your Chelmsford to Portsmouth Harbour train tickets online with Greater Anglia, London Underground (Tube) and South Western Railway.
The distance between Chelmsford and Portsmouth Harbour is 151.4 km. The road distance is 174 km.
You can take a train from Chelmsford to Portsmouth Harbour via Stratford (London), Stratford station, Waterloo Station, London Waterloo, and Portsmouth Harbour in around 2h 35m.