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Croydon to Carmarthen trains

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Trip Overview

The average train between Croydon and Carmarthen takes 4h 46m and the fastest train takes 4h 17m. There is a train service every few hours from Croydon 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.

4h 46m
Duration
237 mi
Distance
£121
Average price
Hourly
Frequency

Train

best
  1. Take the train from London Paddington to Swanseatrain train London Paddington - Swansea / ...
  2. Take the train from Swansea to Carmarthentrain train Bristol Temple Meads - Milford Haven / ...
5h 6m
£99–187

Croydon to Carmarthen train times

Trains run hourly between Croydon and Carmarthen. The earliest departure is at 12:10 AM at night, and the last departure from Croydon is at 10:01 PM which arrives into Carmarthen at 6:47 AM. All services require a transfer at Farringdon and take an average of 4h 46m. The schedules shown below are for the next available departures.

Departing Friday, October 9, 2026

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    Arrives next day

    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales5h 36m • 3 changes

Departing Saturday, October 10, 2026

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Great Western Railway (GWR)4h 21m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 45m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Great Western Railway (GWR)4h 23m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 44m • 3 changes
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Departing Sunday, October 11, 2026

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales12h 55m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 58m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Great Western Railway (GWR)4h 28m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Great Western Railway (GWR)4h 33m • 3 changes
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Departing Monday, October 12, 2026

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 27m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 43m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 33m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Great Western Railway (GWR)4h 24m • 3 changes
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Departing Tuesday, October 13, 2026

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 27m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 43m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Transport for Wales4h 33m • 3 changes

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    ThameslinkElizabeth Line (TfL)Great Western Railway (GWR)Great Western Railway (GWR)4h 24m • 3 changes
  • Show more

Frequently asked questions

Want to know about travelling from Croydon 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 Croydon to Carmarthen.ExpandLaunch map view
  • Distance: 236.7 mi
  • Duration: 4h 46m

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

You can take a train from East Croydon to Carmarthen via Farringdon, Farringdon Without, London Paddington, and Swansea in around 5h 6m.

Operators