The average train between Northampton and Carmarthen takes 5h 53m and the fastest train takes 5h 8m. There is a train service every few hours from Northampton to Carmarthen. 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 Northampton and Carmarthen. The earliest departure is at 5:10 AM in the morning, and the last departure from Northampton is at 8:40 PM which arrives into Carmarthen at 6:46 AM. All services require a transfer at Birmingham New Street and take an average of 5h 53m. The schedules shown below are for the next available departures.



5h 16m • 3 changes



5h 39m • 3 changes



5h 25m • 3 changes



5h 16m • 3 changes



5h 16m • 3 changes



5h 39m • 3 changes



5h 25m • 3 changes



5h 16m • 3 changes



5h 15m • 3 changes



5h 39m • 3 changes



5h 16m • 3 changes



5h 37m • 3 changes
Want to know about travelling from Northampton to Carmarthen? 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 Northampton to Carmarthen. However, there are services departing from Northampton station and arriving at Carmarthen station via Birmingham New Street. The journey, including transfers, takes approximately 5h 53m.
Northampton to Carmarthen train services, operated by West Midlands Trains, depart from Northampton station.
Northampton to Carmarthen train services, operated by West Midlands Trains, arrive at Carmarthen station.
Book your Northampton to Carmarthen train tickets online with West Midlands Trains, Cross Country and 2 other operators.
The distance between Northampton and Carmarthen is 238 km. The road distance is 391 km.
You can take a train from Northampton to Carmarthen via Birmingham New Street, Bristol Parkway, and Swansea in around 5h 54m.