Peterborough to Carmarthen Trains

Peterborough to Carmarthen trains

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Trip Overview

The average train between Peterborough and Carmarthen takes 5h 35m and the fastest train takes 4h 50m. There is a train service every few hours from Peterborough 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.

5h 35m

Duration

300 mi

Distance

£150

Average price

Hourly

Frequency

Peterborough to Carmarthen train times

Trains run hourly between Peterborough and Carmarthen. The earliest departure is at 3:23 AM at night, and the last departure from Peterborough is at 11:18 PM which arrives into Carmarthen at 1:05 PM. All services require a transfer at London Kings Cross and take an average of 5h 35m. The schedules shown below are for the next available departures.

Departing Friday, October 16, 2026

7:17 PM → 12:37 AM
Arrives next day
5h 20m • 3 changes
8:09 PM → 1:38 AM
Arrives next day
5h 29m • 3 changes
9:10 PM → 6:46 AM
Arrives next day
9h 36m • 3 changes

Departing Saturday, October 17, 2026

3:23 AM → 10:25 AM
7h 2m • 3 changes
6:21 AM → 11:49 AM
5h 28m • 3 changes
7:11 AM → 12:27 PM
5h 16m • 3 changes
8:29 AM → 1:48 PM
5h 18m • 3 changes
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Departing Sunday, October 18, 2026

7:50 AM → 1:16 PM
5h 26m • 3 changes
9:06 AM → 2:50 PM
5h 43m • 3 changes
10:24 AM → 3:20 PM
4h 56m • 3 changes
12:19 PM → 5:25 PM
5h 5m • 3 changes
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Departing Monday, October 19, 2026

3:23 AM → 10:30 AM
7h 7m • 3 changes
6:19 AM → 11:45 AM
5h 25m • 3 changes
7:34 AM → 12:36 PM
5h 2m • 3 changes
8:28 AM → 1:26 PM
4h 57m • 3 changes
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Departing Tuesday, October 20, 2026

3:23 AM → 10:30 AM
7h 7m • 3 changes
6:19 AM → 11:45 AM
5h 25m • 3 changes
7:34 AM → 12:36 PM
5h 2m • 3 changes

Frequently asked questions

Want to know about travelling from Peterborough 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.

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

You can take a train from Peterborough to Carmarthen via London Kings Cross, King's Cross St. Pancras station, Paddington, London Paddington, and Swansea in around 5h 28m.

Operators