The average train between Chelmsford and Trafalgar Square takes 50 min and the fastest train takes 41 min. The train runs at least 3 times per hour from Chelmsford to Trafalgar Square. 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 20 minutes between Chelmsford and Trafalgar Square. The earliest departure is at 5:11 AM in the morning, and the last departure from Chelmsford is at 11:36 PM which arrives into Trafalgar Square at 5:53 AM. All services require a transfer at Stratford and take an average of 50 min. The schedules shown below are for the next available departures.

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44 min • 1 changeWant to know about travelling from Chelmsford to Trafalgar Square? 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 Trafalgar Square. However, there are services departing from Chelmsford station and arriving at Tottenham Court Road Station via Stratford (London) station. The journey, including transfers, takes approximately 50 min.
Chelmsford to Trafalgar Square train services, operated by Greater Anglia, depart from Chelmsford station.
Chelmsford to Trafalgar Square train services, operated by Elizabeth Line (TfL), arrive at Tottenham Court Road Station.
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The distance between Chelmsford and Trafalgar Square is 48.4 km. The road distance is 55 km.
You can take a train from Chelmsford to Trafalgar Square via Stratford and Tottenham Court Road Station in around 58 min.