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Trains from London Cannon Street (CST) to Carmarthen (CMN)

Find the cheapest fares to Carmarthen by splitting your tickets

28

train journeys
per day

182

miles (293 kms)

4hrs 18 mins

fastest journey

05:54 / 23:49

first / last train

0

direct trains (1 or 4 changes)

5

operators run

6

routes

Trains from London Cannon Street (CST) to Carmarthen (CMN)

Buy tickets from London Cannon Street to Carmarthen. Explore the list of all train routes from London Cannon Street to Carmarthen and choose the most convenient one at the best price. Book in advance, buy at no extra charge and refund if your trip is canceled

On a typical weekday there are 28 scheduled rail journeys between London Cannon Street and Carmarthen , with 0 of them being direct trains. There are also a further 28 possible journeys which require a change.

The distance by rail from London Cannon Street to Carmarthen is approximately 182 miles (293 kilometres). The average train journey takes about 5hrs 21 mins.

Elizabeth Line, Thameslink, GWR, Transport for Wales, Great Northern are the main train operating companies running services between London Cannon Street and Carmarthen.

There are 6 possible routes with the shortest and most direct being London Cannon Street to Carmarthen. The fastest journey time on this route takes 4hrs 18 mins.

Journeys from London Cannon Street to Carmarthen Today

  • Mon 6th May
    05:54
    4 hrs 44 mins 1 change
    10:38
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    05:59
    4 hrs 39 mins 2 changes
    10:38
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    06:54
    4 hrs 55 mins 2 changes
    11:49
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    07:59
    4 hrs 40 mins 2 changes
    12:39
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    08:59
    4 hrs 26 mins 1 change
    13:25
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    09:04
    4 hrs 21 mins 2 changes
    13:25
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    09:59
    4 hrs 33 mins 2 changes
    14:32
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    10:59
    4 hrs 28 mins 1 change
    15:27
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    11:04
    4 hrs 23 mins 2 changes
    15:27
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    11:59
    4 hrs 30 mins 2 changes
    16:29
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    12:59
    4 hrs 23 mins 1 change
    17:22
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    13:04
    4 hrs 18 mins 2 changes
    17:22
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    13:59
    4 hrs 48 mins 2 changes
    18:47
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    14:59
    4 hrs 39 mins 2 changes
    19:38
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    14:59
    4 hrs 50 mins 1 change
    19:49
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    15:04
    4 hrs 45 mins 2 changes
    19:49
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    15:29
    5 hrs 2 changes
    20:29
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    15:59
    4 hrs 59 mins 2 changes
    20:58
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    16:59
    4 hrs 41 mins 2 changes
    21:40
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen
  • Mon 6th May
    16:59
    4 hrs 53 mins 1 change
    21:52
    London Cannon Street
    Carmarthen
    London Cannon Street to Carmarthen

About London Cannon Street Station

Station name London Cannon Street (CST)
Address London Cannon Street station, Cannon Street, London, Greater London, EC4N 6AP
Managed by NR

Ticket Office

Ticket Office Hours Monday to Friday 06:00 - 10:00 15:00 - 19:00
Weekend 06:00 - 10:00 15:00 - 19:00
Ticket on Departure Available
From Ticket Machines Yes
From ticket office Yes

Other Facilities

Toilets Available
Baby change Available
Showers Unavailable
Waiting Room Available
WiFi Unavailable
ATM Machine Unavailable

About Carmarthen Station

Station name Carmarthen (CMN)
Address Carmarthen station, Station Road, Carmarthen, Carmarthenshire, SA31 2BE
Managed by AW

Ticket Office

Ticket Office Hours Monday to Friday 06:45 - 18:00
Saturday 06:45 - 18:00
Sunday 10:15 - 17:45
Ticket on Departure Available
From Ticket Machines Yes
From ticket office Yes

Other Facilities

Toilets Available
Baby change Available
Showers Unavailable
Waiting Room Available
WiFi Unavailable
ATM Machine Unavailable

Frequently asked questions about trains between London Cannon Street and Carmarthen

The travel time between London Cannon Street and Carmarthen by train varies depending on the type of train and the route, but the average journey time is 5hrs 21 mins & the fastest journey takes 4hrs 18 mins.

The departure and arrival times for trains between London Cannon Street and Carmarthen vary depending on the day of the week and the type of train. Generally, there are around 28 departures and arrivals throughout the day. The first departure is 05:54, and the last train of the day leaves at 23:49.

First class tickets on trains between London Cannon Street and Carmarthen typically offer more space, complimentary food and drink, and other amenities compared to standard class.

Amenities on trains between London Cannon Street and Carmarthen can include free Wi-Fi, power outlets, onboard catering, and comfortable seating.

By booking your tickets on traintickets.com!

There are many ways to save on the cost of train travel between London Cannon Street and Carmarthen. On traintickets.com, we do all the work for you to find the cheapest way possible to get to Carmarthen, and can save you up to 90%! Simply search for your journey, and be assured we have found you the best possible price.

See our page on Split Ticketing for a full explanation, & read our other tips on how to get the cheapest train tickets.

No, unfortunately there are no direct trains between London Cannon Street & Carmarthen. owever, there are 28 possible journeys which require a change.

Elizabeth Line, Thameslink, GWR, Transport for Wales, Great Northern are the main train operating companies running services between London Cannon Street and Carmarthen.

Yes, you can bring luggage on board trains between London Cannon Street and Carmarthen, but there may be limits on the number of bags or the size and weight of your luggage.