What is the distance between Carmarthen and Cardiff?

Carmarthen and Cardiff are 55 miles (89 km) apart.

What are the departure and arrival stations when taking the bus from Carmarthen to Cardiff?

If you're headed to Cardiff from Carmarthen, chances are that your bus will depart from Carmarthen Bus Stop (o/s Bus Stn) and arrive at Sophia Gardens. These are the main departure and arrival locations on this route, but you can find others that could fit better into your travel plans.

What are the best sights and things to do in Cardiff?

Once in Cardiff, you can start exploring the city and discover its surroundings. The top sights and things to do are Brecon Beacons National Park, Cardiff Castle, Cardiff International White Water, Castell Coch (Red Castle) and Wales Millennium Centre.

Bus Carmarthen to Cardiff from $10 | Compare & Save up to 60%

Next bus departures

Next departures for Carmarthen to Cardiff on November 24
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 40m	1:35pm	Sophia Gardens	CheapestFastest
	Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 40m	1:35pm	Sophia Gardens	No tags

Next departures for Carmarthen to Cardiff on November 25
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	8:40am	Lammas Street, outside the Boar’s Head	2h 30m	11:10am	Sophia Gardens	CheapestFastest
Bus	8:40am	Lammas Street, outside the Boar’s Head	2h 30m	11:10am	Sophia Gardens	No tags
Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 35m	1:30pm	Sophia Gardens	No tags
Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 35m	1:30pm	Sophia Gardens	No tags

Next departures for Carmarthen to Cardiff on November 26
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	8:40am	Lammas Street, outside the Boar’s Head	2h 30m	11:10am	Sophia Gardens	CheapestFastest
Bus	8:40am	Lammas Street, outside the Boar’s Head	2h 30m	11:10am	Sophia Gardens	No tags
Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 35m	1:30pm	Sophia Gardens	No tags
Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 35m	1:30pm	Sophia Gardens	No tags

Next departures for Carmarthen to Cardiff on November 27
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	8:40am	Lammas Street, outside the Boar’s Head	2h 30m	11:10am	Sophia Gardens	CheapestFastest
Bus	8:40am	Lammas Street, outside the Boar’s Head	2h 30m	11:10am	Sophia Gardens	No tags
Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 35m	1:30pm	Sophia Gardens	No tags
Bus	10:55am	Lammas Street, outside the Boar’s Head	2h 35m	1:30pm	Sophia Gardens	No tags

Last refresh of the prices: Last Saturday at 11:03 AM GMT.

Compare 3 ways to go from Carmarthen to Cardiff

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Cardiff. The journey takes about 1 hour 50 minutes and with fares starting at just $16, it presents an excellent value for a comfortable ride.

1carpool per day

1h 50mAverage Duration

55 milesDistance

4kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$12 - $20	Average Duration2h 30m	CO₂ emissions 2kg CO₂e
Train	Average Price$11 - $59	Average Duration1h 54m	CO₂ emissions 2kg CO₂e
Carpool	Average Price$16 - $16	Average Duration1h 50m	CO₂ emissions 4kg CO₂e

Where are the popular stops in Carmarthen and Cardiff?

Stops in Carmarthen

A
Carmarthen Bus Stop (o/s Bus Stn)
27 Blue Street, Stand 2, Carmarthen SA31 3LE
Visit page

Stops in Cardiff

A
Sophia Gardens
2 Sophia Cl, Cardiff CF11, UK
Visit page
B
Cardiff University (o/s Cathays Rail Stn)
50 Park Place (Bus Stop, o/s Cathays Rail Stn), Cardiff CF10
C
Cardiff Coach Station - Sophia Gardens
22 Cathedral Rd, Cardiff CF11 9LJ, UK
Visit page
D
Cardiff - Castle Street Bus Stop
21A Castle St, Cardiff CF10 1BT, UK
E
National Museum
Gorsedd Gardens Rd, Cardiff CF10 3NP, UK
F
Cardiff Bus Stop - Westgate
206 Westgate St, Cardiff CF10, UK

Compare bus companies

National Express

4/529,728 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Based on 29728 reviews, the company was rated 4.2 stars on Busbud. Travelers were especially satisfied with the ticket access and the staff but often complained with the wifi. National Express ticket prices on this trip start at $12

National Express Carmarthen Cardiff recent customer reviews

nd friendly driver

Anne M.

November 2, 2022

Excellent our driver was very informative and sociable

Janet J.

December 5, 2021

Brilliant service

Ann W.

December 14, 2019

GB bus companies: FlixBus, BlaBlaCar Bus, ALSA, Greyhound, Intercape, Trenitalia, National Express

Frequently asked questions about traveling from Carmarthen to Cardiff by bus

What is the distance between Carmarthen and Cardiff?
What are the departure and arrival stations when taking the bus from Carmarthen to Cardiff?
What are the best sights and things to do in Cardiff?

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found

11/22

No data

11/23

$11

Today

$10

11/25

$10

11/26

$10

11/27

$11

11/28

No data

11/29

$10

The cheapest trip from Carmarthen to Cardiff was searched and found on Nov 26, 2025 with a price of $10

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Carmarthen to Cardiff, as early as possible.

You can expect to pay from $10 to $22 for a bus ticket from Carmarthen to Cardiff based on the last 2 days. You can expect to find the cheapest price for the trip at $10 which is on 2025-11-26.