The average train between Wales and Watford takes 2h 53m and the fastest train takes 2h 47m. There is an hourly train service from Wales 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 hourly between Wales and Watford. The earliest departure is at 5:07 AM in the morning, and the last departure from Wales is at 9:20 PM which arrives into Watford at 12:13 AM. All services require a transfer at London Paddington and take an average of 2h 53m. The schedules shown below are for the next available departures.


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3h 7m • 2 changesWant to know about travelling from Wales 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 Wales to Watford. However, there are services departing from Cardiff Central station and arriving at Watford High Street station via London Paddington station. The journey, including transfers, takes approximately 2h 53m.
Wales to Watford train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Wales to Watford train services, operated by London Overground, arrive at Watford High Street station.
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The distance between Wales and Watford is 239.7 km. The road distance is 233 km.
You can take a train from Cardiff Central to Watford High Street via London Paddington, Paddington station, Queen's Park station, and Queens Park (London) in around 2h 50m.