The average train between Chelmsford and Porthmadog takes 8h 51m and the fastest train takes 7h 3m. The train service runs several times per day from Chelmsford to Porthmadog. 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 4 hours between Chelmsford and Porthmadog. The earliest departure is at 5:11 AM in the morning, and the last departure from Chelmsford is at 10:31 PM which arrives into Porthmadog at 10:49 AM. All services require a transfer at London Liverpool Street and take an average of 8h 51m. The schedules shown below are for the next available departures.




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7h 8m • 4 changesWant to know about travelling from Chelmsford to Porthmadog? 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 Porthmadog. However, there are services departing from Chelmsford station and arriving at Porthmadog station via London Liverpool Street. The journey, including transfers, takes approximately 8h 51m.
Chelmsford to Porthmadog train services, operated by Greater Anglia, depart from Chelmsford station.
Chelmsford to Porthmadog train services, operated by Greater Anglia, arrive at Porthmadog station.
Book your Chelmsford to Porthmadog train tickets online with Greater Anglia, London Underground (Tube) and 2 other operators.
The distance between Chelmsford and Porthmadog is 339.3 km. The road distance is 470 km.
You can take a train from Chelmsford to Porthmadog via London Liverpool Street, Moorgate station, Euston station, London Euston, Birmingham New Street, and Machynlleth in around 8h 38m.