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Chepstow to Carmarthen trains

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Trip Overview

The average train between Chepstow and Carmarthen takes 3h 12m and the fastest train takes 2h 22m. There is a train service every few hours from Chepstow 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 12m
Duration
106 mi
Distance
£55
Average price
Hourly
Frequency

Chepstow to Carmarthen train times

Trains run hourly between Chepstow and Carmarthen. The earliest departure is at 6:17 AM in the morning, and the last departure from Chepstow is at 11:38 PM which arrives into Carmarthen at 7:42 AM. All services require a transfer, and take on average 3h 12m. The schedules shown below are for the next available departures.

Departing Wednesday, November 11, 2026

  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
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    Transport for WalesTransport for Wales2h 22m • 1 change
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    Cross CountryTransport for Wales2h 43m • 1 change
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    Transport for WalesGreat Western Railway (GWR)3h 7m • 1 change
  • Show more

Departing Thursday, November 12, 2026

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    Transport for WalesTransport for Wales2h 40m • 1 change
  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
  •  → 

    Transport for WalesTransport for Wales2h 22m • 1 change
  •  → 

    Cross CountryTransport for Wales2h 43m • 1 change
  • Show more

Departing Friday, November 13, 2026

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    Transport for WalesTransport for Wales2h 40m • 1 change
  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
  •  → 

    Transport for WalesTransport for Wales2h 22m • 1 change
  •  → 

    Cross CountryTransport for Wales2h 43m • 1 change
  • Show more

Departing Saturday, November 14, 2026

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    Transport for WalesTransport for Wales2h 42m • 1 change
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    Cross CountryGreat Western Railway (GWR)2h 58m • 1 change
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    Transport for WalesTransport for Wales2h 30m • 1 change
  •  → 

    Cross CountryGreat Western Railway (GWR)2h 33m • 1 change
  • Show more

Departing Sunday, November 15, 2026

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    Transport for WalesTransport for Wales3h 51m • 1 change
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    Transport for WalesTransport for Wales2h 25m • 1 change
  •  → 

    Transport for WalesTransport for Wales2h 42m • 1 change
  •  → 

    Transport for WalesGreat Western Railway (GWR)2h 24m • 1 change
  • Show more

Departing Monday, November 16, 2026

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    Transport for WalesTransport for Wales2h 40m • 1 change
  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
  •  → 

    Transport for WalesTransport for Wales2h 22m • 1 change
  •  → 

    Cross CountryTransport for Wales2h 43m • 1 change
  • Show more

Departing Tuesday, November 17, 2026

  •  → 

    Transport for WalesTransport for Wales2h 40m • 1 change
  •  → 

    Cross CountryTransport for Wales3h 9m • 1 change
  •  → 

    Transport for WalesTransport for Wales2h 22m • 1 change
  •  → 

    Cross CountryTransport for Wales2h 43m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Chepstow 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 Chepstow to Carmarthen.ExpandLaunch map view
  • Distance: 105.6 mi
  • Duration: 3h 12m

What companies run services between Chepstow, Wales and Carmarthen, Wales?

You can take a train from Chepstow to Carmarthen via Cardiff Central in around 2h 49m.

Operators