The average train between Swansea and Castle Cary takes 4h 8m and the fastest train takes 3h 1m. There is a train service every few hours from Swansea to Castle Cary. 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 Swansea and Castle Cary. The earliest departure is at 5:29 AM in the morning, and the last departure from Swansea is at 8:37 PM which arrives into Castle Cary at 7:17 AM. All services require a transfer at Cardiff Central and take an average of 4h 8m. The schedules shown below are for the next available departures.


3h 7m • 2 changes

4h 10m • 2 changes

3h 46m • 2 changes

3h 51m • 2 changes

3h 7m • 2 changes

4h 10m • 2 changes

3h 46m • 2 changes

3h 51m • 2 changes

3h 7m • 2 changes

4h 10m • 2 changes

3h 46m • 2 changes

3h 51m • 2 changesWant to know about travelling from Swansea to Castle Cary? 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 Swansea to Castle Cary. However, there are services departing from Swansea station and arriving at Castle Cary station via Cardiff Central. The journey, including transfers, takes approximately 4h 8m.
Swansea to Castle Cary train services, operated by Transport for Wales, depart from Swansea station.
Swansea to Castle Cary train services, operated by Transport for Wales, arrive at Westbury (Wilts) station.
Book your Swansea to Castle Cary train tickets online with Transport for Wales, Great Western Railway (GWR) and South Western Railway.
The distance between Swansea and Castle Cary is 115.5 km. The road distance is 211 km.
You can take a train from Swansea to Castle Cary via Cardiff Central and Westbury (Wilts) in around 4h 7m.