The average train between Cardiff and US Embassy London takes 2h 24m and the fastest train takes 2h 13m. There is a train service every few hours from Cardiff to US Embassy London. 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 Cardiff and US Embassy London. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into US Embassy London at 11:47 PM. All services require a transfer at London Paddington and take an average of 2h 24m. The schedules shown below are for the next available departures.


2h 25m • 2 changes


2h 22m • 2 changes


2h 19m • 2 changes


2h 19m • 2 changes


2h 38m • 2 changes


2h 15m • 2 changes


2h 20m • 2 changes


2h 26m • 2 changes


2h 38m • 2 changes


2h 15m • 2 changes


2h 20m • 2 changes


2h 26m • 2 changes
Want to know about travelling from Cardiff to US Embassy London? 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 Cardiff to US Embassy London. However, there are services departing from Cardiff station and arriving at US Embassy London station via London Paddington. The journey, including transfers, takes approximately 2h 24m.
Cardiff to US Embassy London train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to US Embassy London train services, operated by Great Western Railway (GWR), arrive at London Paddington station.
The distance between Cardiff and US Embassy London is 211 km. The road distance is 242 km.
Great Western Railway (GWR) operates a train from Cardiff Central to London Paddington hourly. Tickets cost £65–120 and the journey takes 1h 57m.