The average train between Carmarthen and Aylesbury takes 5h 35m and the fastest train takes 4h 46m. There is a train service every few hours from Carmarthen to Aylesbury. 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 Carmarthen and Aylesbury. The earliest departure is at 4:37 AM at night, and the last departure from Carmarthen is at 10:41 PM which arrives into Aylesbury at 8:24 AM. All services require a transfer at Swansea and take an average of 5h 35m. The schedules shown below are for the next available departures.



5h 32m • 3 changes



5h 24m • 3 changes



5h 5m • 3 changes



5h 2m • 3 changes



5h 17m • 3 changes



4h 52m • 3 changes



5h 2m • 3 changes



5h 32m • 3 changes



5h 17m • 3 changes



4h 52m • 3 changes



5h 2m • 3 changes



5h 32m • 3 changes
Want to know about travelling from Carmarthen to Aylesbury? 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 Carmarthen to Aylesbury. However, there are services departing from Carmarthen station and arriving at Aylesbury station via Swansea. The journey, including transfers, takes approximately 5h 35m.
Carmarthen to Aylesbury train services, operated by Great Western Railway (GWR), depart from Carmarthen station.
Carmarthen to Aylesbury train services, operated by Great Western Railway (GWR), arrive at Aylesbury station.
Book your Carmarthen to Aylesbury train tickets online with Great Western Railway (GWR), London Underground (Tube) and 2 other operators.
The distance between Carmarthen and Aylesbury is 239.9 km. The road distance is 418 km.
You can take a train from Carmarthen to Aylesbury via Swansea, London Paddington, Paddington station, Marylebone station, and London Marylebone in around 5h 33m.