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Gloucester to Carmarthen trains

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Trip Overview

The average train between Gloucester and Carmarthen takes 3h 31m and the fastest train takes 2h 50m. There is a train service every few hours from Gloucester 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.

3h 31m
Duration
133 mi
Distance
£69
Average price
Hourly
Frequency

Train

best
  1. Take the train from Gloucester to Cardiff Centraltrain train Nottingham - Cardiff Central / ...
  2. Take the train from Cardiff Central to Carmarthentrain train Bristol Temple Meads - Milford Haven / ...
3h 10m
£45–96

Gloucester to Carmarthen train times

Trains run hourly between Gloucester and Carmarthen. The earliest departure is at 5:48 AM in the morning, and the last departure from Gloucester is at 11:10 PM which arrives into Carmarthen at 7:42 AM. All services require a transfer, and take on average 3h 31m. The schedules shown below are for the next available departures.

Departing Monday, October 12, 2026

  •  → 

    Transport for WalesTransport for Wales3h 7m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 21m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 6m • 1 change

  •  → 

    Transport for WalesGreat Western Railway (GWR)3h 4m • 1 change
  • Show more

Departing Tuesday, October 13, 2026

  •  → 

    Transport for WalesTransport for Wales3h 9m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 37m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 50m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
  • Show more

Departing Wednesday, October 14, 2026

  •  → 

    Transport for WalesTransport for Wales3h 9m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 37m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 50m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
  • Show more

Departing Thursday, October 15, 2026

  •  → 

    Transport for WalesTransport for Wales3h 9m • 1 change

  •  → 

    Cross CountryTransport for Wales3h 37m • 1 change

  •  → 

    Transport for WalesTransport for Wales2h 50m • 1 change

Frequently asked questions

Want to know about travelling from Gloucester 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.

Map of how to get from Gloucester to Carmarthen.ExpandLaunch map view
  • Distance: 132.8 mi
  • Duration: 3h 31m

What companies run services between Gloucester, England and Carmarthen, Wales?

You can take a train from Gloucester to Carmarthen via Cardiff Central in around 3h 10m.

Operators