The average train between Cornwall and Watford takes 7h 20m and the fastest train takes 5h 28m. The train service runs several times per day from Cornwall to Watford. 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 Cornwall and Watford. The earliest departure is at 7:54 AM in the morning, and the last departure from Cornwall is at 9:59 PM which arrives into Watford at 2:28 PM. All services require a transfer at Par and take an average of 7h 20m. The schedules shown below are for the next available departures.



5h 33m • 3 changes


5h 29m • 3 changes


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5h 28m • 3 changes


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6h 28m • 3 changesWant to know about travelling from Cornwall to Watford? 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 Cornwall to Watford. However, there are services departing from Par station and arriving at London Paddington station via London Paddington station. The journey, including transfers, takes approximately 7h 20m.
Cornwall to Watford train services, operated by Great Western Railway (GWR), depart from Par station.
Cornwall to Watford train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
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The distance between Cornwall and Watford is 334.1 km. The road distance is 389 km.
Great Western Railway (GWR) operates a train from Par to London Paddington every 3 hours. Tickets cost £100–200 and the journey takes 4h 8m.