What is the travel distance from London to Carmarthen?

The distance between the two cities is 181 miles (292 km).

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

The majority of buses traveling from London to Carmarthen start their journey at Victoria Coach Station and wind up at Carmarthen Bus Stop (o/s Bus Stn). These are the main departure and arrival locations on this route, there are other pick-up and drop-off locations that could make it easier for you to reach your destination.

Bus London to Carmarthen from $19 | Compare & Save up to 60%

Next bus departures

Next departures for London to Carmarthen on November 15
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	CheapestFastest
Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	No tags
Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	No tags

Next departures for London to Carmarthen on November 16
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	CheapestFastest
	Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	No tags

Next departures for London to Carmarthen on November 17
Operated by	Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended	Price and booking link
	Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	CheapestFastest
	Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	No tags

Next departures for London to Carmarthen on November 18
Vehicle type	Departure time	Departure location	Trip duration	Arrival time	Arrival location	Recommended
Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	CheapestFastest
Bus	10:30am	Victoria Coach Station	6h 30m	5:00pm	Lammas Street, outside the Boar’s Head	No tags
Bus	10:30am	Victoria Coach Station	6h 30m	5:00pm	Lammas Street, outside the Boar’s Head	No tags
Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	No tags
Bus	12:00pm	Victoria Coach Station	5h 45m	5:45pm	Lammas Street, outside the Boar’s Head	No tags

Last refresh of the prices: Last Tuesday at 3:49 AM GMT.

Compare 3 ways to go from London to Carmarthen

We recommend carpooling

Among the sustainable travel choices, the carpool stands out as the good way to reach Carmarthen. The journey takes about 3 hours 50 minutes and with fares starting at just $22, it presents an excellent value for a comfortable ride.

3carpool per day

3h 50mAverage Duration

181 milesDistance

12kgCO₂ emissions

	Average Price	Average Duration	CO₂ emissions
Bus	Average Price$21 - $49	Average Duration5h 45m	CO₂ emissions 7kg CO₂e
Train	Average Price$52 - $298	Average Duration3h 42m	CO₂ emissions 7kg CO₂e
Carpool	Average Price$22 - $45	Average Duration3h 50m	CO₂ emissions 12kg CO₂e

Compare bus companies

National Express

4/529,711 reviews

Staff4.7

Timeliness4

Cleanliness4.7

Wifi3.4

Customers consistently praise the comfortable coaches and friendly, professional staff. Many highlight the punctuality of departures and arrivals, contributing to a relaxing travel experience. Passengers appreciate the clean environment on board and express willingness to use this service again due to their positive experiences.

National Express London Carmarthen recent customer reviews

Super. The coach departed on time and arrived on time. Comfortable journey (5¾ hours). Great driver. Communicative/informative & friendly.

Paul Andrew H.

October 28, 2024

My first coach trip ever, I worried for nothing it was great from start to finish, drivers friendly passengers friendly made friends nice relaxing journey. I loved every second

Vivienne B.

December 23, 2023

Good seats, the coach was a comfortable temperature all the time but best of all were the very friendly and professional staff

Rosalind M.

December 10, 2022

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

Where are the popular stops in London and Carmarthen?

Stops in London

A - Victoria Coach Station

B - Finchley Road

C - Stop SC - Hammersmith Bridge Rd.

D - Earl's Court

E - London Elephant & Castle

F - Old Kent Rd

Stops in Carmarthen

A - Carmarthen Bus Stop (o/s Bus Stn)

Frequently asked questions about traveling from London to Carmarthen by bus

What is the travel distance from London to Carmarthen?
What are the departure and arrival stations when taking the bus from London to Carmarthen?

Find cheapest prices for buses

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

Best price found

11/12

No data

11/13

$22

Today

No data

11/15

$29

11/16

$36

11/17

$41

11/18

$22

11/19

No data

The cheapest trip from London to Carmarthen was searched and found on Nov 13, 2025 with a price of $22

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

You can expect to pay from $22 to $54 for a bus ticket from London to Carmarthen based on the last 2 days. You can expect to find the cheapest price for the trip at $22 which is on 2025-11-18.