The average train between St Paul's Cathedral and Cardiff takes 2h 38m and the fastest train takes 2h 23m. There is an hourly train service from St Paul's Cathedral to Cardiff. 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 St Paul's Cathedral and Cardiff. The earliest departure is at 12:14 AM at night, and the last departure from St Paul's Cathedral is at 11:53 PM which arrives into Cardiff at 8:06 AM. All services require a transfer at Mansion House station and take an average of 2h 38m. The schedules shown below are for the next available departures.

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2h 29m • 1 changeWant to know about travelling from St Paul's Cathedral to Cardiff? 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 St Paul's Cathedral to Cardiff. However, there are services departing from London Paddington station and arriving at Cardiff Central station via Cardiff Central station. The journey, including transfers, takes approximately 2h 38m.
St Paul's Cathedral to Cardiff train services, operated by Great Western Railway (GWR), depart from London Paddington station.
St Paul's Cathedral to Cardiff train services, operated by Great Western Railway (GWR), arrive at Cardiff Central station.
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The distance between St Paul's Cathedral and Cardiff is 213.3 km. The road distance is 242 km.
Great Western Railway (GWR) operates a train from London Paddington to Cardiff Central hourly. Tickets cost £60–110 and the journey takes 1h 51m.